Certificate of Compliance
15,087 laboratories hold this certificate in the CMS file for Q2 2026.
What it allows
Issued after an inspection by the state agency finds the laboratory in compliance with the CLIA requirements for moderate or high complexity testing.
A certificate says which tests a laboratory may perform. It does not grade the laboratory.
Who holds it
| Facility type | Active laboratories |
|---|---|
| Physician Office | 8,665 |
| Independent Laboratory | 2,539 |
| Hospital | 1,246 |
| Other | 1,202 |
| Community Clinic | 241 |
| Ancillary Test Site | 223 |
| Public Health Laboratory | 195 |
| Federally Qualified Health Center | 151 |
| Ambulatory Surgery Center | 140 |
| Rural Health Clinic | 127 |
| Other Practitioner | 87 |
| School/Student Health Service | 62 |
By state
| State or territory | Active laboratories |
|---|---|
| Alabama | 357 |
| Alaska | 55 |
| American Samoa | 2 |
| Arizona | 285 |
| Arkansas | 305 |
| California | 1,237 |
| Colorado | 240 |
| Connecticut | 168 |
| Delaware | 39 |
| District of Columbia | 14 |
| Florida | 1,149 |
| Georgia | 461 |
| Guam | 9 |
| Hawaii | 41 |
| Idaho | 132 |
| Illinois | 327 |
| Indiana | 176 |
| Iowa | 245 |
| Kansas | 215 |
| Kentucky | 282 |
| Louisiana | 182 |
| Maine | 47 |
| Maryland | 262 |
| Massachusetts | 256 |
| Michigan | 233 |
| Minnesota | 221 |
| Mississippi | 430 |
| Missouri | 234 |
| Montana | 95 |
| Nebraska | 180 |
| Nevada | 124 |
| New Hampshire | 52 |
| New Jersey | 347 |
| New Mexico | 43 |
| New York | 1,281 |
| North Carolina | 513 |
| North Dakota | 52 |
| Northern Mariana Islands | 5 |
| Ohio | 219 |
| Oklahoma | 158 |
| Oregon | 191 |
| Pennsylvania | 334 |
| Puerto Rico | 890 |
| Rhode Island | 31 |
| South Carolina | 205 |
| South Dakota | 88 |
| Tennessee | 470 |
| Texas | 815 |
| U.S. Virgin Islands | 6 |
| Utah | 193 |
| Vermont | 17 |
| Virginia | 339 |
| Washington | 440 |
| West Virginia | 82 |
| Wisconsin | 253 |
| Wyoming | 46 |