States
300,350 laboratories hold an active CLIA certificate in the CMS file for Q2 2026.
| State or territory | Active laboratories | City pages |
|---|---|---|
| Alabama | 5,015 | 86 |
| Alaska | 684 | 12 |
| American Samoa | 3 | 0 |
| Arizona | 7,038 | 60 |
| Arkansas | 3,321 | 67 |
| California | 23,386 | 343 |
| Colorado | 4,786 | 64 |
| Connecticut | 3,018 | 68 |
| Delaware | 1,028 | 15 |
| District of Columbia | 550 | 1 |
| Florida | 25,653 | 244 |
| Georgia | 11,328 | 171 |
| Guam | 58 | 2 |
| Hawaii | 837 | 15 |
| Idaho | 1,829 | 30 |
| Illinois | 10,453 | 229 |
| Indiana | 6,765 | 110 |
| Iowa | 3,453 | 79 |
| Kansas | 3,258 | 54 |
| Kentucky | 5,005 | 105 |
| Louisiana | 5,074 | 84 |
| Maine | 1,307 | 33 |
| Maryland | 5,105 | 92 |
| Massachusetts | 5,357 | 143 |
| Michigan | 8,844 | 172 |
| Minnesota | 5,711 | 121 |
| Mississippi | 3,371 | 84 |
| Missouri | 6,088 | 117 |
| Montana | 1,103 | 21 |
| Nebraska | 2,334 | 27 |
| Nevada | 2,303 | 13 |
| New Hampshire | 1,269 | 31 |
| New Jersey | 7,513 | 194 |
| New Mexico | 1,941 | 29 |
| New York | 12,313 | 220 |
| North Carolina | 11,043 | 174 |
| North Dakota | 806 | 13 |
| Northern Mariana Islands | 27 | 1 |
| Ohio | 12,161 | 224 |
| Oklahoma | 4,332 | 75 |
| Oregon | 3,383 | 63 |
| Pennsylvania | 9,804 | 220 |
| Puerto Rico | 1,562 | 48 |
| Rhode Island | 788 | 21 |
| South Carolina | 5,368 | 90 |
| South Dakota | 965 | 17 |
| Tennessee | 7,255 | 122 |
| Texas | 29,279 | 287 |
| U.S. Virgin Islands | 73 | 2 |
| Utah | 2,383 | 47 |
| Vermont | 544 | 17 |
| Virginia | 7,449 | 109 |
| Washington | 7,961 | 103 |
| West Virginia | 2,089 | 47 |
| Wisconsin | 5,214 | 124 |
| Wyoming | 649 | 15 |
Alphabetical order.