Cytology Proficiency Testing

The Clinical Laboratory Improvement Amendments (CLIA) regulations at Section 493.855(a) state: "The laboratory must ensure that each individual engaged in the examination of gynecologic preparations is enrolled in a proficiency testing (PT) program approved by the Centers for Medicare & Medicaid Services (CMS) . . ."  

The CMS-approved Cytology Proficiency Testing (PT) Programs for calendar year 2025 are:

• the College of American Pathologists, and
• the American Society for Clinical Pathology program.

For additional CLIA cytology PT information, refer to the links below.