# Certificate of Accreditation — what it allows, and how many laboratories hold one

> 14,689 laboratories hold an active CLIA Certificate of Accreditation. What the certificate allows, and the count by state.

## Certificate of Accreditation

14,689 laboratories hold this certificate in the CMS file for Q2 2026.

### What it allows

Issued to a laboratory that performs moderate or high complexity testing on the basis of its accreditation by an accreditation organization approved by CMS.

A certificate says which tests a laboratory may perform. It does not grade the laboratory.

### Who holds it

| Facility type | Active laboratories |
|---|---|
| [Hospital](/type/hospital.md) | 5,168 |
| [Physician Office](/type/physician-office.md) | 3,940 |
| [Independent Laboratory](/type/independent-laboratory.md) | 1,950 |
| [Other](/type/other.md) | 1,846 |
| [Ancillary Test Site](/type/ancillary-test-site.md) | 539 |
| [Community Clinic](/type/community-clinic.md) | 317 |
| [Blood Bank](/type/blood-bank.md) | 227 |
| [Ambulatory Surgery Center](/type/ambulatory-surgery-center.md) | 188 |
| [Health Maintenance Organization](/type/health-maintenance-organization.md) | 88 |
| [Federally Qualified Health Center](/type/federally-qualified-health-center.md) | 86 |
| [Other Practitioner](/type/other-practitioner.md) | 84 |
| [Rural Health Clinic](/type/rural-health-clinic.md) | 57 |

### Accreditation organizations

| Organization reported by the laboratory | Confirmed in the file | Not confirmed |
|---|---|---|
| A2LA | 7 | 6 |
| AABB | 235 | 9 |
| AOA | 185 | 2 |
| ASHI | 118 | 2 |
| College of American Pathologists (CAP) | 7,048 | 346 |
| COLA | 5,322 | 511 |
| The Joint Commission | 2,542 | 770 |

Active laboratories of any certificate type that report the organization on their application. One laboratory can report several.

### By state

| State or territory | Active laboratories |
|---|---|
| [Alabama](/state/alabama.md) | 291 |
| [Alaska](/state/alaska.md) | 47 |
| [Arizona](/state/arizona.md) | 314 |
| [Arkansas](/state/arkansas.md) | 151 |
| [California](/state/california.md) | 1,155 |
| [Colorado](/state/colorado.md) | 250 |
| [Connecticut](/state/connecticut.md) | 103 |
| [Delaware](/state/delaware.md) | 37 |
| [District of Columbia](/state/district-of-columbia.md) | 28 |
| [Florida](/state/florida.md) | 1,177 |
| [Georgia](/state/georgia.md) | 476 |
| [Guam](/state/guam.md) | 2 |
| [Hawaii](/state/hawaii.md) | 43 |
| [Idaho](/state/idaho.md) | 57 |
| [Illinois](/state/illinois.md) | 503 |
| [Indiana](/state/indiana.md) | 331 |
| [Iowa](/state/iowa.md) | 124 |
| [Kansas](/state/kansas.md) | 136 |
| [Kentucky](/state/kentucky.md) | 184 |
| [Louisiana](/state/louisiana.md) | 356 |
| [Maine](/state/maine.md) | 40 |
| [Maryland](/state/maryland.md) | 220 |
| [Massachusetts](/state/massachusetts.md) | 249 |
| [Michigan](/state/michigan.md) | 402 |
| [Minnesota](/state/minnesota.md) | 434 |
| [Mississippi](/state/mississippi.md) | 132 |
| [Missouri](/state/missouri.md) | 212 |
| [Montana](/state/montana.md) | 52 |
| [Nebraska](/state/nebraska.md) | 86 |
| [Nevada](/state/nevada.md) | 133 |
| [New Hampshire](/state/new-hampshire.md) | 44 |
| [New Jersey](/state/new-jersey.md) | 257 |
| [New Mexico](/state/new-mexico.md) | 104 |
| [New York](/state/new-york.md) | 85 |
| [North Carolina](/state/north-carolina.md) | 652 |
| [North Dakota](/state/north-dakota.md) | 72 |
| [Ohio](/state/ohio.md) | 588 |
| [Oklahoma](/state/oklahoma.md) | 273 |
| [Oregon](/state/oregon.md) | 135 |
| [Pennsylvania](/state/pennsylvania.md) | 440 |
| [Puerto Rico](/state/puerto-rico.md) | 75 |
| [Rhode Island](/state/rhode-island.md) | 27 |
| [South Carolina](/state/south-carolina.md) | 342 |
| [South Dakota](/state/south-dakota.md) | 110 |
| [Tennessee](/state/tennessee.md) | 323 |
| [Texas](/state/texas.md) | 2,254 |
| [U.S. Virgin Islands](/state/u-s-virgin-islands.md) | 4 |
| [Utah](/state/utah.md) | 153 |
| [Vermont](/state/vermont.md) | 25 |
| [Virginia](/state/virginia.md) | 368 |
| [Washington](/state/washington.md) | 178 |
| [West Virginia](/state/west-virginia.md) | 63 |
| [Wisconsin](/state/wisconsin.md) | 280 |
| [Wyoming](/state/wyoming.md) | 39 |

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Página: https://clia-laboratory-records.pages.dev/certificate/accreditation/
Fonte: https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/provider-of-services-file-clinical-laboratories
Recolha: 2026-06-29