Every certified lab of Labcorp (stock: LH) with its yearly tests. Official US government data, as of April 2026.
Certified labs
370
44 states
Tests a year
818.7M
Reported by inspected labs
Labs over 1 million tests
34
229 inspected labs
Medicare lab payments, 2024
$834.0M
66.4M tests
Labcorp has 370 labs with an active federal lab certificate in 44 states (as of April 2026). 229 of them run more than simple tests and are inspected; 34 report over 1 million tests a year. By type: independent lab (305), physician office (44), other (9), ancillary test site (9).
The states with the most Labcorp labs are Washington (45), North Carolina (38), Illinois (27), Alabama (26), Colorado (23).
Its inspected labs report 818.7M tests a year in total. The largest is Medtox Laboratories in Saint Paul, MN with 198.5M tests a year.
Original Medicare paid $834.0M for 66.4M lab tests billed by the 345 provider numbers (NPIs) linked to its labs in 2024. This is a lower bound, because not every lab links to an NPI.
Sorted by yearly tests
| Lab | Type | Tests a year | Accredited by |
|---|---|---|---|
| Medtox Laboratories 402 W County Rd D, Saint Paul, MN | Independent lab | 198.5M | CAP |
| Laboratory Corporation of America 13112 Evening Creek Dr South Ste 200, San Diego, CA | Independent lab | 119.0M | CAP |
| Laboratory Corporation of America 5610 W Lasalle St Attn Qa Department, Tampa, FL | Independent lab | 97.9M | CAP |
| Laboratory Corporation of America Holding 1801 First Ave South, Birmingham, AL |
| Independent lab |
| 71.8M |
| CAP |
| Laboratory Corporation of America 7777 Forest Ln Bldg C350, Dallas, TX | Independent lab | 66.0M | CAP |
| Laboratory Corporation of America 550 17th Ave, Suite 300, Seattle, WA | Independent lab | 52.0M | CAP |
| Laboratory Corporation of America Holdings 69 First Ave, Raritan, NJ | Independent lab | 22.7M | CAP |
| Laboratory Corporation of America 6370 Wilcox Road, Dublin, OH | Independent lab | 20.1M | CAP |
| Laboratory Corporation of America 7207 North Gessner, Houston, TX | Independent lab | 15.6M | CAP |
| Laboratory Corporation of America Holdings 7800 West 110th Street, Overland Park, KS | Independent lab | 13.6M | CAP |
| Laboratory Corporation of America 5005 S 40th St, Ste 1200, Phoenix, AZ | Independent lab | 11.8M | CAP |
| Labcorp Central Laboratory Services, Lp 8211 Scicor Drive, Indianapolis, IN | Independent lab | 10.8M | CAP |
| Laboratory Corporation of America Holdings, Inc 1447 York Court, Burlington, NC | Independent lab | 10.1M | CAP |
| Labcorp Oklahoma, Inc Central Lab 4144 S Mingo Rd, Tulsa, OK | Independent lab | 8.7M | CAP |
| Laboratory Corporation of America Holladay Park 1225 NE 2nd Ave, Portland, OR | Independent lab | 8.1M | CAP |
| Laboratory Corporation of America Holdings 361 Whitney Ave, Suite 102, Holyoke, MA | Independent lab | 7.5M | CAP |
| Laboratory Corporation of America 1947 Technology Drive Suite 100, Troy, MI | Independent lab | 7.3M | CAP |
| Laboratory Corporation of America 140 E Rawson Ave Ste 212, Oak Creek, WI | Independent lab | 7.3M | CAP |
| Laboratory Corporation of America 4400 NE Halsey St Bldg 3, Suite 200-A, Portland, OR | Independent lab | 6.2M | CAP |
| Laboratory Corporation of America 217 la Rue France, Lafayette, LA | Independent lab | 4.6M | CAP |
| Laboratory Corporation of America 1924 Alcoa Hwy Box U-108, Knoxville, TN | Independent lab | 4.3M | CAP |
| Esoterix-Inc 4301 Lost Hills Road, Calabasas Hills, CA | Independent lab | 4.1M | CAP |
| Labcorp of America Holdings 5901 Northwoods Business Parkway, Suite L, Charlotte, NC | Independent lab | 4.0M | CAP |
| Laboratory Corporation of America 3575 Moreau Court, South Bend, IN | Independent lab | 3.9M | CAP |
| Laboratory Corporation of America 8490 Upland Dr, Englewood, CO | Independent lab | 3.3M | CAP |
| Laboratory Corporation of America Holdings 120 Hills Plaza, Charleston, WV | Independent lab | 3.1M | CAP |
| Labcorp Kansas Inc - Main Lab 2916 E Central, Wichita, KS | Independent lab | 3.0M | - |
| Laboratory Corporation of America 150 Spring Lake Dr, Itasca, IL | Independent lab | 2.5M | CAP |
| Laboratory Corporation of America Holdings 1401 Johnston-Willis Drive, Suite 100, Richmond, VA | Physician office | 2.2M | - |
| Laboratory Corporation of America 110 W Cliff Dr Ste 100-200, Spokane, WA | Independent lab | 2.2M | CAP |
| Laboratory Corporation of America Holdings 123 Summer Street, Worcester, MA | Independent lab | 1.8M | CAP |
| Esoterix Genetic Laboratories LLC 2000 Vivigen Way, Santa Fe, NM | Independent lab | 1.5M | CAP |
| Dianon Systems Inc 840 Research Parkway, Oklahoma City, OK | Independent lab | 1.1M | CAP |
| Laboratory Corporation of America Holdings 13000 N Meridian St # 100, Carmel, IN | Independent lab | 1.1M | - |
| Laboratory Corporation of America Holdings 109 Circle Drive, West Monroe, LA | Independent lab | 870K | CAP |
| Esoterix, Inc 8490 Upland Dr, Suite 100, Englewood, CO | Independent lab | 844K | CAP |
| Esoterix Genetic Laboratories LLC - Integrated 533 W 57th St, 5th Floor, New York, NY | Independent lab | 804K | - |
| Laboratory Corporation of America 4207 James Casey, Ste 101, Austin, TX | Independent lab | 774K | CAP, COLA |
| Laboratory Corporation of America 760 International Parkway #770, Sunrise, FL | Independent lab | 662K | CAP |
| Laboratory Corporation of America Holdings 8007 Discovery Dr Suite A, Richmond, VA | Physician office | 628K | - |
| Labcorp Genetics Inc 1400 16th St, San Francisco, CA | Independent lab | 593K | CAP |
| Laboratory Corporation of America 13112 Evening Creek Dr, South, Ste 300, San Diego, CA | Independent lab | 582K | CAP |
| Labcorp Corporation of America Holdings 810 Jasonway Avenue Suite A, Columbus, OH | Independent lab | 562K | - |
| Dianon Systems Inc 1 Forest Parkway, Shelton, CT | Independent lab | 558K | CAP |
| Laboratory Corporation of America 11603 Crosswinds Way Suite 115, San Antonio, TX | Independent lab | 476K | CAP |
| Laboratory Corporation of America 14280 Sullyfield Circle, Chantilly, VA | Independent lab | 452K | CAP |
| Laboratory Corporation of America 2750 Broadway St, Boulder, CO | Independent lab | 442K | - |
| Labcorp Oklahoma, Inc Cityplex 2408 E 81st St, Ste 105, Tulsa, OK | Hospital | 399K | - |
| Laboratory Corporation of America 1122 W Washington Blvd, Ste 340, Los Angeles, CA | Independent lab | 398K | - |
| Laboratory Corporation of America 605 E Huntington Dr Ste 209, Monrovia, CA | Independent lab | 389K | CAP |
| Laboratory Corporation of America Holdings 1120 Main Street, Southaven, MS | Independent lab | 375K | CAP |
| Laboratory Corporation of America 7444 W Alaska Dr, Suite 250, Lakewood, CO | Independent lab | 360K | CAP |
| Laboratory Corporation of America Holdings 6130 Harbourside Centre Loop, Suite 100, Midlothian, VA | Physician office | 339K | - |
| Labcorp Tennessee (Blount Co Lab) 329 N Hall Road, Alcoa, TN | Other | 338K | - |
| Laboratory Corporation of America Holdings 208 Central Ave West, Jamestown, TN | Other | 332K | CAP |
| Laboratory Corporation of America 701 Digital Drive Suite L-R, Linthicum, MD | Independent lab | 324K | - |
| Labcorp of America, Holdings 405 Chatham Heights Rd, Fredericksburg, VA | Independent lab | 300K | - |
| Labcorp of America Holdings 1010 Christine Avenue Suite 100, Anniston, AL | Independent lab | 299K | - |
| Laboratory Corporation of America 55 W Tietan St, Walla Walla, WA | Independent lab | 296K | - |
| Laboratory Corporation of America Holdings 7777 Hennessey Blvd, Ste 6000a, Baton Rouge, LA | Physician office | 289K | - |
| Laboratory Corporation of America 10930 Bigge St, San Leandro, CA | Independent lab | 287K | - |
| Laboratory Corporation of America 100 N Tustin Ave, Tustin, CA | Independent lab | 268K | - |
| Laboratory Corporation of America 1737 Tennessee Ave, Cincinnati, OH | Independent lab | 263K | CAP |
| Laboratory Corporation of America Holdings 1711 East Broad Avenue, Albany, GA | Independent lab | 251K | - |
| Laboratory Corporation of America Holdings 840 Greenbrier Circle Suite 100, Chesapeake, VA | Independent lab | 245K | - |
| Laboratory Corporation of America Holdings 1311 Bristol Pike, Bensalem, PA | Independent lab | 241K | - |
| Laboratory Corporation of America 7350 W Deschutes Ave Ste B125, Kennewick, WA | Independent lab | 227K | - |
| Laboratory Corporation of America, Holdings 8040 Villa Park Drive Suite 200, Richmond, VA | Independent lab | 226K | - |
| Laboratory Corporation of America 7447 Talcott Ave, Suite 1, Chicago, IL | Independent lab | 218K | - |
| Laboratory Corporation of America 2150 Pennsylvania Avenue Suite 1-123, Washington, DC | Independent lab | 217K | - |
| Laboratory Corporation of America 1401 Harrodsburg Road B195, Lexington, KY | Independent lab | 215K | - |
| Laboratory Corporation of America 2111 Iowa Ave Ste G, Riverside, CA | Independent lab | 215K | - |
| Laboratory Corporation of America Holdings 205 Hospital Drive Suite Q, Mc Kenzie, TN | Independent lab | 207K | - |
| Laboratory Corporation of America 1111 Delafield St Ste 301, Waukesha, WI | Independent lab | 205K | CAP |
| Laboratory Corporation of America Holdings 2600 Tower Drive, Suite 103, Monroe, LA | Independent lab | 188K | - |
| Laboratory Corporation of America Holdings 5340 Holy Cross Pkwy Ste 206, Mishawaka, IN | Independent lab | 185K | CAP |
| Sequenom Center for Molecular Medicine, LLC 3595 John Hopkins Court, San Diego, CA | Independent lab | 176K | CAP |
| Laboratory Corporation of America 212 Cherry Lane, New Castle, DE | Independent lab | 170K | - |
| Laboratory Corporation of America Holdings 1220 Magnolia Street, Suite 101, Greensboro, NC | Independent lab | 170K | - |
| Laboratory Corporation of America 2925 Debarr Rd Bldg D, Ste 300, Anchorage, AK | Independent lab | 163K | - |
| Laboratory Corporation of America Holdings 1133 College Ave, Bldg E, Suite 250, Manhattan, KS | Independent lab | 150K | - |
| Laboratory Corporation of America 400 Patroon Creek Blvd Ste 101, Albany, NY | Independent lab | 150K | - |
| Laboratory Corporation of America Holdings 663 Lanier Park Drive, Gainesville, GA | Independent lab | 144K | - |
| Laboratory Corporation of America 13103 E Mansfield Ave, Spokane Valley, WA | Independent lab | 141K | CAP |
| Labcorp Central Laboratory Services Sari 7 Rue Mo'Ise-Marcinhes, FN | Other | 140K | CAP |
| Esoterix Genetic Laboratories, LLC 3 Forest Parkway, Shelton, CT | Independent lab | 137K | CAP |
| Labcorp-Syracuse 600 East Genesee Street Suite 305, Syracuse, NY | Independent lab | 126K | - |
| Laboratory Corporation of America 1264 Metropolitan Blvd #b100, Tallahassee, FL | Independent lab | 122K | - |
| Laboratory Corporation of America Holdings 1802 Braeburn Drive, Salem, VA | Independent lab | 117K | - |
| Laboratory Corporation of America 263 Medical Park Boulevard, Petersburg, VA | Physician office | 111K | - |
| Laboratory Corporation of America Holdings 100 Perimeter Park Dr, Ste C, Morrisville, NC | Other | 110K | - |
| Laboratory Corporation of America Holdings 2500 W Strub Rd, Ste 200, Sandusky, OH | Independent lab | 107K | - |
| Laboratory Corporation of America 11100 Hefner Pointe Dr, Ste A, Oklahoma City, OK | Independent lab | 101K | - |
| Laboratory Corporation of America Rapid City 713 Omaha Street, Rapid City, SD | Independent lab | 82K | - |
| Laboratory Corporation of America 11751 Interchange Drive, Louisville, KY | Independent lab | 79K | - |
| Laboratory Corporation of America Holdings 1771 Madison Avenue, Lakewood, NJ | Independent lab | 73K | - |
| Laboratory Corporation of America - Weslaco Texas 1102 S Airport Drive Bldg # 2, Weslaco, TX | Independent lab | 71K | COLA |
| Laboratory Corp of America 601 S Sherman St, Spokane, WA | Independent lab | 71K | - |
| Laboratory Corporation of America Holdings 1904 T W Alexander Drive, Research Triangle Park, NC | Independent lab | 70K | CAP |
| Laboratory Corporation of America 8915 W Golf Rd, Niles, IL | Independent lab | 70K | - |
| Laboratory Corp of America 1204 N Vercler Rd, Spokane, WA | Independent lab | 70K | - |
| Laboratory Corporation of America 1901 Medi Park # 2062, Amarillo, TX | Independent lab | 63K | - |
| Labcorp-Davenport 3400 Dexter Court, Davenport, IA | Independent lab | 62K | - |
| Laboratory Corporation of America Holdings 380 W County Road D, New Brighton, MN | Independent lab | 60K | - |
| Laboratory Corporation of America 221 Wellsian Way, Richland, WA | Independent lab | 58K | CAP |
| Laboratory Corporation of America 731 Pilot Rd Suite E, Las Vegas, NV | Independent lab | 57K | - |
| Laboratory Corporation of America Holdings 1401 Sunday Drive, Suite 102, Raleigh, NC | Independent lab | 56K | - |
| Laboratory Corp of America 605 E Holland Ave Ste 100, Spokane, WA | Independent lab | 54K | - |
| Laboratory Corporation of America 2811 S 102nd St Ste 170, Tukwila, WA | Independent lab | 52K | CAP |
| Labcorp of America Holdings 1912 Tw Alexander Drive, Research Triangle Park, NC | Independent lab | 50K | CAP |
| Labcorp of America Holdings 1904 T W Alexander Drive, Suite C, Research Triangle Park, NC | Independent lab | 50K | CAP |
| Laboratory Corporation of America 2600 Mill St Suite 100, Reno, NV | Independent lab | 49K | - |
| Esoterix Genetic Laboratories LLC 3400 Computer Drive, Westborough, MA | Independent lab | 48K | CAP |
| Labcorp 1104 W Spruce St, Yakima, WA | Independent lab | 48K | - |
| Laboratory Corporation of America Holdings, Inc 1957 Lakeside Parkway, Suite 542, Tucker, GA | Physician office | 47K | CAP |
| Dianon Systems Inc 12 Tallwood Rd, Woodbridge, CT | Independent lab | 46K | - |
| Laboratory Corporation of America 2408 East 81st St, Ste 110, Tulsa, OK | Independent lab | 45K | - |
| Laboratory Corporation of America Holdings 171 Town Center Drive Suite 6, Anniston, AL | Independent lab | 44K | - |
| Laboratory Corporation of America 2 Southern Court, West Columbia, SC | Independent lab | 39K | - |
| Labcorp of America Holdings 3825 Faber Place Drive, North Charleston, SC | Independent lab | 39K | - |
| Labcorp 7207 North Gessner Suite 101, Houston, TX | Independent lab | 37K | - |
| Laboratory Corporation of America Holdings, Inc 495 Taylor Road, Montgomery, AL | Physician office | 34K | - |
| Laboratory Corporation of America Holdings 1034 Ross Clark Circle NE Suite 2, Dothan, AL | Independent lab | 34K | - |
| Laboratory Corporation of America 2740 West Market Street, Lima, OH | Independent lab | 33K | - |
| Laboratory Corporation of America 180 Medical Park Place, Hot Springs, AR | Independent lab | 32K | - |
| Laboratory Corporation of America Holdings 200 Nash Medical Arts Mall, Rocky Mount, NC | Independent lab | 31K | - |
| Labcorp at St Vincent Cancer & Wellness One Eaton Place Suite 301, Worcester, MA | Independent lab | 31K | - |
| Laboratory Corporation of America Holdings 500 W Broadway St, Missoula, MT | Independent lab | 29K | CAP |
| Laboratory Corporation of America Holdings 1769 Paragon Place Ste 110, Memphis, TN | Independent lab | 28K | CAP |
| Laboratory Corporation of America Holdings 2530 Empire Drive, Winston-Salem, NC | Independent lab | 27K | - |
| Laboratory Corporation of America Holdings 10600 Industrial Dr, Minden, LA | Independent lab | 27K | - |
| Laboratory Corporation of America 500 Lennon Lane, Walnut Creek, CA | Independent lab | 27K | - |
| Laboratory Corporation of America Holdings 12772 Hamilton Crossing Blvd - Suite B, Carmel, IN | Independent lab | 26K | - |
| Laboratory Corporation of America 22710 Professional Dr Suite # 100, Kingwood, TX | Independent lab | 26K | COLA |
| Labcorp Waterloo 905 Franklin Street, Waterloo, IA | Independent lab | 25K | - |
| Laboratory Corporation of America 314 San Jacinto, Cleveland, TX | Independent lab | 25K | COLA |
| Laboratory Corporation of America Holdings, Inc 101 Greenfield Drive, Suite 240, Cumming, GA | Independent lab | 23K | - |
| Laboratory Corporation of America Holdings 4278 University Parkway, Suite 4, Natchitoches, LA | Independent lab | 22K | - |
| Laboratory Corporation of America 1965 S Eagle Rd Ste 130, Meridian, ID | Independent lab | 22K | - |
| Laboratory Corporation of America Holdings, Inc 11440 Parkside Dr, Ste 203, Knoxville, TN | Other | 21K | - |
| Laboratory Corporation of America Holdings 2050 Treetops Blvd Ste 140, Flowood, MS | Independent lab | 20K | Joint Commission |
| Laboratory Corp of America Holdings 119 Mountain View Road, Mars Hill, NC | Independent lab | 19K | - |
| Laboratory Corporation of America Holdings 171 Carraway Drive, Winfield, AL | Physician office | 18K | - |
| Laboratory Corporation of America 1705 S Fm 51 Suite 108, Decatur, TX | Independent lab | 16K | - |
| Laboratory Corporation of America Holdings 850 Olive St, Ste A, Shreveport, LA | Independent lab | 15K | - |
| Laboratory Corporation of America Holdings 3595 Grandview Parkway Suite 300, Birmingham, AL | Independent lab | 14K | - |
| Laboratory Corporation of America Holdings 7492 Right Flank Road, Mechanicsville, VA | Physician office | 14K | - |
| Laboratory Corporation of America 522 Timberdale Lane, Houston, TX | Independent lab | 13K | COLA |
| Laboratory Corporation of America Holdings, Inc 402 S 1st Street, Gadsden, AL | Physician office | 12K | - |
| Laboratory Corporation of America Holdings 1710 Kernersville Medical Parkway Suite 116, Kernersville, NC | Independent lab | 10K | - |
| Laboratory Corporation of America Holdings 5721 West 119th Street, Overland Park, KS | Independent lab | 9,975 | - |
| Laboratory Corp of America Holdings - Hickory 1949 Tate Blvd SE, Hickory, NC | Independent lab | 9,510 | - |
| Laboratory Corporation of America, Holdings 1120 First Colonial Road - Suite 100, Virginia Beach, VA | Independent lab | 8,950 | - |
| Laboratory Corporation of America Holdings 7 McDowell Street, Suite 300, Asheville, NC | Independent lab | 8,793 | - |
| Laboratory Corporation of America 188 Northern Lights Blvd, Suite 600, Anchorage, AK | Independent lab | 8,792 | - |
| Laboratory Corporation of America Holdings 1410 McFarland Blvd N, Tuscaloosa, AL | Physician office | 8,208 | - |
| Laboratory Corporation of America 3701 Fairway Blvd Suite 110, Wichita Falls, TX | Independent lab | 7,741 | - |
| Laboratory Corporation of America 3300 Oakdale Avenue North Laboratory E1 151j, Robbinsdale, MN | Independent lab | 7,674 | - |
| Laboratory Corporation of America Holdings 201 North Breazeale Avenue, Mount Olive, NC | Independent lab | 7,438 | - |
| Labcorp of America Holdings at 1818-F Richardson Drive, Reidsville, NC | Independent lab | 7,000 | - |
| Laboratory Corporation of America 1106 Alston Ave Ste 250, Fort Worth, TX | Independent lab | 6,780 | COLA |
| Laboratory Corporation of America 4730 Puddledock Road - Suite 100, Prince George, VA | Physician office | 6,348 | - |
| Laboratory Corporation of America Holdings 2017 South College Street, Suite C, Trenton, TN | Independent lab | 5,949 | - |
| Laboratory Corporation of America Holdings 15101 Glenwood Avenue, Overland Park, KS | Independent lab | 5,516 | - |
| Laboratory Corporation of America Holdings 21 Highland Avenue, SE - Suite 200, Roanoke, VA | Independent lab | 5,439 | - |
| Laboratory Corporation of America Holdings 448 Viking Drive Suite 100, Virginia Beach, VA | Independent lab | 5,400 | - |
| Laboratory Corporation of America Holdings 16970 S Kimble St, Olathe, KS | Independent lab | 5,090 | - |
| Laboratory Corporation of America Holdings 401 West Decatur Street, Madison, NC | Independent lab | 5,037 | - |
| Laboratory Corporation of America Holdings - 1236 Huffman Mill Road, Suite 1300, Burlington, NC | Independent lab | 5,000 | - |
| Laboratory Corporation of America Holdings 4 East 107th Street, New York, NY | Independent lab | 4,960 | - |
| Laboratory Corporation of America Holdings 3595 John Hopkins Court, Room # 1111, San Diego, CA | Independent lab | 4,860 | CAP |
| Laboratory Corporation of America 518 W 1st Ave, Toppenish, WA | Physician office | 4,749 | - |
| Laboratory Corporation of America 4455 Edison Lakes Pkwy 2nd Floor, Mishawaka, IN | Independent lab | 4,357 | - |
| Laboratory Corporation of America Holdings 11725 West 112th Street, Overland Park, KS | Independent lab | 4,350 | - |
| Laboratory Corporation of America 506 Medical Center Blvd, Conroe, TX | Independent lab | 3,900 | COLA |
| Laboratory Corporation of America Holdings 209 West Spring Street Suite 303, Sylacauga, AL | Independent lab | 3,600 | - |
| Labcorp of America 4208 North Rodney Parham, Little Rock, AR | Independent lab | 2,957 | - |
| Laboratory Corporation of America Holdings 403 Burkarth Rd, Warrensburg, MO | Independent lab | 2,800 | - |
| Laboratory Corporation of America Holdings 200 Swinburne St, Raleigh, NC | Independent lab | 2,736 | - |
| Laboratory Corporation of America Holdings 2500 Horton Boulevard, Wilson, NC | Independent lab | 2,540 | - |
| Laboratory Corporation of America Holdings 10500 Quivira Rd, Overland Park, KS | Independent lab | 2,530 | - |
| Labcorp Ashburn Psc 43490 Yukon Dr, Suite 112, Ashburn, VA | Independent lab | 2,521 | - |
| Laboratory Corporation of America Holdings 214 East Elm Street, Graham, NC | Independent lab | 2,490 | - |
| Laboratory Corporation of America Holdings 319 North Graham - Hopedale Road, Burlington, NC | Independent lab | 2,330 | - |
| Laboratory Corporation of America 2205 W Lincoln Ave, Yakima, WA | Physician office | 2,280 | - |
| Labcorp of America Holdings Cone Health 2630 Willard Dairy Road, Suite 303b, High Point, NC | Independent lab | 2,000 | - |
| Laboratory Corporation of America Holdings 109 Bridge St, Suite 101, Danville, VA | Independent lab | 2,000 | - |
| Laboratory Corporation of America Holdings 10601 Quivira Road, Suite 200, Overland Park, KS | Independent lab | 1,960 | - |
| Laboratory Corporation of America 6351 W Rio Grande Ave, Kennewick, WA | Independent lab | 1,862 | - |
| Laboratory Corporation of America Holdings Labcorp at Triangle Community, Durham, NC | Independent lab | 1,830 | - |
| Laboratory Corporation of America 602 E Nob Hill Blvd, Yakima, WA | Physician office | 1,817 | - |
| Laboratory Corporation of America Holdings 1440 York Court, Burlington, NC | Independent lab | 1,770 | ASHI, CAP |
| Laboratory Corporation of America 120 W Mission Ave, Spokane, WA | Physician office | 1,717 | - |
| Laboratory Corporation of America 201 Tahoma Blvd SE Ste 104, Yelm, WA | Independent lab | 1,695 | - |
| Laboratory Corporation of America Holdings 1511 Westover Terrace, Suite 201, Greensboro, NC | Independent lab | 1,425 | - |
| Laboratory Corporation of America Holdings 11164 Noble Drive, Suite 200, Olathe, KS | Independent lab | 1,372 | - |
| Labcorp at Yvfw Salud 1175 Mt Hood Ave, Woodburn, OR | Independent lab | 1,318 | - |
| Laboratory Corporation of America 1000 Wallace Way, Grandview, WA | Physician office | 1,307 | - |
| Laboratory Corporation of America Holdings 309 New Street, Greensboro, NC | Independent lab | 1,300 | - |
| Laboratory Corporation of America Holdings 3980 Colonnade Parkway, Birmingham, AL | Independent lab | 1,220 | - |
| Laboratory Corporation of America 1120 W Rose St, Walla Walla, WA | Physician office | 1,203 | - |
| Laboratory Corporation of America 5109 Summitview Ave, Yakima, WA | Independent lab | 1,200 | - |
| Labcorp- Yvfw Mirasol Hermiston 589 NW 11th Street, Hermiston, OR | Independent lab | 1,140 | - |
| Laboratory Corporation of America Holdings 17050 W 96th St, Lenexa, KS | Independent lab | 1,056 | - |
| Laboratory Corporation of America Holdings 8415 Goodwood Boulevard, Suite 103, Baton Rouge, LA | Independent lab | 1,037 | - |
| Laboratory Corporation of America 4001 N Cook St, Spokane, WA | Independent lab | 977 | - |
| Laboratory Corporation of America Holdings 801 North Mur-Len, Suite 211, Olathe, KS | Independent lab | 956 | - |
| Laboratory Corporation of America Holdings 1803 S Ridgeview, Suite 100, Olathe, KS | Independent lab | 952 | - |
| Laboratory Corporation of America 601 Bridge Street, East Jordan, MI | Independent lab | 876 | COLA |
| Labcorp Early Development Laboratories, Inc 671 S Meridian Road, Greenfield, IN | Independent lab | 500 | - |
| Laboratory Corporation of America Holdings 401 Airport Commons Drive, Suite 404, Calera, AL | Independent lab | 402 | - |
| Laboratory Corporation of America 1608 N Road 44, Pasco, WA | Physician office | 401 | - |
| Laboratory Corporation of America Holdings 810 Hospital Drive - Room L, Blacksburg, VA | Independent lab | 378 | - |
| Laboratory Corporation of America 255 Lancaster Dr NE, Salem, OR | Independent lab | 317 | - |
| Laboratory Corporation of America 3530 SE 88th Ave, Portland, OR | Independent lab | 316 | - |
| Laboratory Corporation of America Holdings 113 Scenic Outlet Lane Suite 3, Mt Airy, NC | Independent lab | 300 | - |
| Laboratory Corporation of America 4955 South M 88 Highway, Bellaire, MI | Independent lab | 286 | COLA |
| Labcorp Kansas, Inc - Founder's Circle #a1h01 1947 N Founders Circle, Wichita, KS | Independent lab | 277 | - |
| Laboratory Corporation of America Holdings 2321 John Hawkins Parkway, St 213, Hoover, AL | Physician office | 270 | - |
| Labcorp Genetics Inc 485f US Highway 1 S, Iselin, NJ | Independent lab | 250 | CAP |
| Laboratory Corporation of America 1401 Madison Suite 100, Seattle, WA | Community clinic | 135 | - |
| Laboratory Corporation of America Holdings 806 St Vincents Drive, Suite 500, Birmingham, AL | Physician office | 60 | - |
| Laboratory Corporation of America Holdings 10600 Mastin, Overland Park, KS | Independent lab | 24 | - |
| Laboratory Corporation of America Holdings 51 E Bethpage Road, Plainview, NY | Independent lab | 3 | - |
| Laboratory Corporation of America Holdings 2 1/2 Dearfield Dr, Greenwich, CT | Independent lab | 2 | - |
| Laboratory Corporation of America Holdings 1290 Summer St, Stamford, CT | Independent lab | 2 | - |
| Laboratory Corporation of America Holdings 366 Cromwell Ave, Rocky Hill, CT | Independent lab | 2 | - |
| Laboratory Corporation of America Holdings 1131 West St, Southington, CT | Independent lab | 2 | - |
| Laboratory Corporation of America Holdings 205 Main St, East Haven, CT | Independent lab | 2 | - |
| Laboratory Corporation of America Holdings 12701 Padgett Switch Road, Irvington, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 212 4th Avenue SE, Cullman, AL | Physician office | 10,001 to 25,000 | - |
| Laboratory Corporation of America Holdings 1009 7th Avenue, Jasper, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 3731 Rainbow Drive Suite D, Rainbow City, AL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 129 Mitylene Park Lane, Montgomery, AL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 500 Town Center Blvd, Tuscaloosa, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 1608 Glen Blvd SW, Fort Payne, AL | Physician office | 10,001 to 25,000 | - |
| Laboratory Corporation of America Holdings 1956 Duval Street, Mobile, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 1303 Dr Martin Luther King Jr Avenue, Mobile, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 1083 E Relham Drive, Loxley, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 1628 N McKenzie Street, Suite 102, Foley, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 201 D'Olive Street, Bay Minette, AL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America (Labcorp) 1626 3oth Avenue, Fairbanks, AK | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 820 34th St Ste 103, Bakersfield, CA | Independent lab | - | - |
| Laboratory Corporation of America 1633 Medical Center Point Room 1-90, Colorado Springs, CO | Independent lab | - | - |
| Laboratory Corporation of America 1000 Southpark Dr, Littleton, CO | Physician office | 10,001 to 25,000 | - |
| Laboratory Corporation of America 7950 Kipling St, Ste 101, Arvada, CO | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1030 Johnson Rd, Ste 200, Golden, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 80 Health Park Dr, Suite 100, Louisville, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 4745 Arapahoe Ave, Suite 200, Boulder, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 32135 Castle Court Nbr 101, Evergreen, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 8199 Southpark Lane Suite 100, Littleton, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 13402 West Coal Mine Ave Nbr 300, Littleton, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 165 South Union Blvd Nbr 800, Lakewood, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 110 Rubey Dr Nbr 200, Golden, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 7550 West Yale Ave, Suite B100, Denver, CO | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1707 Cole Blvd #150a, Golden, CO | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 4500 E 9th Ave, Suite 330, Denver, CO | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 9695 S Yosemite St, Suite 324, Lone Tree, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 1421 Potomac Suite 320, Aurora, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 350 Inidiana St, Suite 250, Golden, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 4500 East 9th Ave, Suite 320s, Denver, CO | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 2230 S Fraser Street Unit 1, Aurora, CO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 5201 W Kennedy Blvd Suite 750, Tampa, FL | Independent lab | 100,001 to 500,000 | CAP |
| Laboratory Corporation of America Holdings, Inc 670 S 8th Street, Griffin, GA | Independent lab | - | - |
| Laboratory Corporation of America Holdings, Inc 4630 Valais Court, Johns Creek, GA | Independent lab | - | - |
| Laboratory Corp of America 1634 W Polk St, Chicago, IL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corp of America 3059 W 26th St, Chicago, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 2001 S California Ave - Ste 100, Chicago, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 7 S Hospital Dr, Murphysboro, IL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1006 S Division St, Carterville, IL | Physician office | 1 to 2,000 | - |
| Laboratory Corporation of America 400 S Lewis Lane, Carbondale, IL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America 101 S Wall St, Carbondale, IL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corp of America 2418 W Divison St, Chicago, IL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1050 Logan Ave, Belvidere, IL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1100 Broadway, Rockford, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 1215 N Alpine Rd, Rockford, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 6115 N 2nd St, Loves Park, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 1200 W State St, Rockford, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 2750 W North Ave, Chicago, IL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corp of America 1701 W Superior St, Chicago, IL | Independent lab | 10,001 to 25,000 | - |
| Laboratory Corp of America 5215 N California Ave - 7th Flr, Chicago, IL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 2323 Grand Ave, Waukegan, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 3111 Williamson County Pkwy, Marion, IL | Physician office | 1 to 2,000 | - |
| Laboratory Corporation of America 120 Sangamon St, Chicago, IL | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 4058 W 63rd St, Chicago, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 404 S Lewis Lane, Carbondale, IL | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1506 Sioux Dr, Marion, IL | Physician office | 1 to 2,000 | - |
| Laboratory Corporation of America 4747 N Kedzie Ave, Chicago, IL | Independent lab | 1 to 2,000 | - |
| Labcorp Testing 3235 Vollmer Rd - 206, Flossmoor, IL | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 1036 Sharon Drive, Jeffersonville, IN | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 2422 12th St Ct, Dewitt, IA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holding 551 N Hillside, Suite 510, Wichita, KS | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 524 N Andover Rd, Andover, KS | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 3516 North Blvd, Suite B, Alexandria, LA | Independent lab | - | - |
| Labcorp Employer Services 6992 Columbia Gateway Drive, Suite 100, Columbia, MD | Other | 100,001 to 500,000 | - |
| Laboratory Corporation of America 4290 Copper Ridge Drive Suite 120, Traverse City, MI | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 6643 Shepley Drive Suite A, Saint Louis, MO | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 2900 12th Ave N, Suite 150w, Billings, MT | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 8410 Executive Woods Drive, Suite E, Lincoln, NE | Independent lab | - | - |
| Labcorp Employer Services, Inc 731 Pilot Rd Suite E, Las Vegas, NV | Other | 2,001 to 10,000 | - |
| Labcorp Employer Services 4 E 107th St, New York, NY | Workplace health | 2,001 to 10,000 | - |
| Labcorp of America Holdings - Roanoke Rapids 1385 Medical Center Drive, Roanoke Rapids, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corp of America Holdings 8331 Bandford Way, Suite 101, Raleigh, NC | Independent lab | 2,001 to 10,000 | - |
| Labcorp - Kannapolis 300 Mooresville Road, Room 2111, Kannapolis, NC | Independent lab | 50,001 to 100,000 | - |
| Laboratory Corporation of America Holdings 244 Medspring Dr, Clayton, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 2041 Valleygate Drive Suite 101, Fayetteville, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 2210 Hemby Lane, Greenville, NC | Independent lab | 1 to 2,000 | - |
| Labcorp of America Holdings Reidsville 621 S Main Street, Reidsville, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 5809 Departure Drive, Raleigh, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 350 East Holding Drive, Wake Forest, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 130 N Judd Parkway NE, Fuquay Varina, NC | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 2136 W 8th St, Cincinnati, OH | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 3917 Spring Grove Ave, Cincinnati, OH | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 2750 Beekman Street, Cincinnati, OH | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1525 Elm Street, Cincinnati, OH | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 5818 Madison Rd, Braxton Cann, Cincinnati, OH | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 3559 Reading Road, Cincinnati, OH | Independent lab | 1 to 2,000 | - |
| Labcorp Waverly 1705 Waverly Dr SE, Albany, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Philomath 500 Main St, Philomath, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Chambers 1650 Chambers St, Eugene, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Mohawk 2000 N 19th St, Springfield, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Crescent 2830 Crescent Ave, Eugene, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Albany 633 North Albany Rd NW, Albany, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp River Road 3915 River Road, Eugene, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Harlow 1007 Harlow Road, Springfield, OR | Ancillary test site | 1 to 2,000 | - |
| Laboratory Corporation of America 2275 Commercial St, Astoria, OR | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 355 W 3rd Ave, Junction City, OR | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 3896 Beverly Ave NE Bldg J Ste 40, Salem, OR | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 4212 NE Broadway Rm L100, Portland, OR | Independent lab | 1 to 2,000 | - |
| Labcorp Asbury 3680 NW Samaritan Drive, Asbury Building, Corvallis, OR | Independent lab | - | - |
| Labcorp South Garden Way 350b 330 South Garden Way Suite 350b, Eugene, OR | Ancillary test site | 1 to 2,000 | - |
| Labcorp Eugene 4140 Quest Drive, Eugene, OR | Independent lab | - | - |
| Labcorp Davies 345 N Grant St, Suite B, Canby, OR | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 101 William H Jonson St, Florence, SC | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 107 McLeod Health Blvd, Suite 202, Myrtle Beach, SC | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America 3141 E Broad St Suite 321, Mansfield, TX | Independent lab | 50,001 to 100,000 | - |
| Laboratory Corporation of America 3201 Matlock Rd Suite 210, Arlington, TX | Independent lab | 50,001 to 100,000 | - |
| Laboratory Corporation of America 3201 Matlock Rd, Ste 220, Arlington, TX | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 3970 North Collins Street Suite 168, Arlington, TX | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America 6750 N Macarthur Blvd Ste 100, Irving, TX | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America, Holdings 348 Browns Hill Court, Midlothian, VA | Independent lab | 1 to 2,000 | - |
| Labcorp of America, Holdings 7571 Cold Harbor Road, Mechanicsville, VA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 1801 Lind Ave SW, Renton, WA | Physician office | 1 to 2,000 | - |
| Laboratory Corporation of America 1101 Madison St Ste 306, Seattle, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 10416 5th Ave NE, Seattle, WA | Other | 2,001 to 10,000 | - |
| Laboratory Corporation of America 1200 12th Ave South, Seattle, WA | Other | 10,001 to 25,000 | - |
| Laboratory Corporation of America 19401 40th Ave W Ste 230, Lynnwood, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 2555 Marvin Rd NE, Lacey, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 240 Division St, Grandview, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 12 S 8th St, Yakima, WA | Physician office | 1 to 2,000 | - |
| Laboratory Corporation of America 620 W 1st St, Wapato, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 110 Delphi Rd NW Ste 101, Olympia, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 9605 Sandifur Pkwy, Pasco, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 1909 214th St SE Ste 200, 300, Bothell, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 31833 Gateway Center Blvd South Ste B, Federal Way, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 12910 Totem Lake Blvd NE Ste 101, Kirkland, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 165 SE Ely St, Oak Harbor, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 220 15th Ave SE Ste C, Puyallup, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 820 Memorial St Ste 1, Prosser, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 617 Scoon Rd, Sunnyside, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 9040 W Clearwater Ave, Kennewick, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 314 S 11th Ave Ste A, Yakima, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 2501 Business Ln, Yakima, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 55 W Tietan St, Bldg D, Walla Walla, WA | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 365 Courthouse Road, Princeton, WV | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings Southern Highlands, Princeton, WV | Independent lab | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 1345 Mercer Street, Princeton, WV | Physician office | 2,001 to 10,000 | - |
| Laboratory Corporation of America Holdings 1100 Grosscup Ave, Dunbar, WV | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America Holdings 3752 Teays Valley Rd, Hurricane, WV | Independent lab | 1 to 2,000 | - |
| Laboratory Corporation of America 74 Eclipse Boulevard, Beloit, WI | Independent lab | 1 to 2,000 | - |