For tests described in 42 CFR 493 subpart H and 42 CFR 493 subpart I, laboratories must successfully participate in proficiency testing at least as frequently as described in those subparts. There must be at least two Mycobacteriology events per year and three events per year for all other tests.

Laboratories performing gynecologic Cytopathology testing must document enrollment in a federally-approved proficiency testing program. The documentation of enrollment can be uploaded directly in eCLEP as part of the reapplication process.

Laboratories performing Forensic Identity Testing are required to participate in an ANAB-approved proficiency testing program and submit a brief summary to the Forensic Identity Section every six months. See Forensic Identity Standard S24_[1].