Licensing & Accreditation

Health plans

We are contracted with most major health plans in the US and continue to focus on providing referring physicians and their patients with superior access to high-quality, subspecialized diagnostic services.

For the status of insurances, please review our managed care lists here.

Washington State Department of Health

Washington State Business License
Medical Test Site License


PhenoPath is in a CLIA-exempt state. The Washington state clinical laboratory license is the equivalent of a CLIA certificate. See Federal Register document for details.

In September 1992, the federal regulations to implement CLIA became effective. CLIA allowed equivalent State programs to apply for exemption from Federal regulation. Washington State applied for exemption in October 1992. In October 1993, Washington became the first state to have its clinical laboratory licensure program judged for Medicare and Medicaid Services (CMS) as equivalent to CLIA and was granted an exemption. This exemption from CLIA retains the regulatory activity at the state level, rather than federal, where it is more accessible and responsive to local needs. Laboratories licensed by the State of Washington are CLIA-exempt for all specialties and subspecialties.

For further information, contact PhenoPath.

Federal Register Notice

The College of American Pathologists
CAP Accreditation Certificate and List of Accredited Services

California Department of Health Services
Clinical Laboratory License

Maryland Department of Health and Mental Hygiene
Maryland Lab License Non-expiring Effective 9-25-2018
Letter regarding Maryland non-expiring License

New York State Department of Health
Clinical Laboratory License

Pennsylvania Department of Health Services
Clinical Laboratory License

Rhode Island and Providence Plantations Department of Health
Clinical Laboratory License