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PARASITE, FECAL SUSP, PVA, IMMUNOASSAY - P4
Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).
Number of Shipments
Fecal suspension (wet mount)
Three shipments per year
Fecal suspension (Giardia and Cryptosporidium immunoassays and/or modified acid‑fast stain)
Preserved slide (for permanent stain)
The proficiency testing materials used for the Parasitology Surveys contain formalin as a preservative.
Modified acid‑fast stain results do not meet CLIA requirements for parasite identification.
Five specimens consisting of 0.75‑mL fecal suspensions for direct wet mount examination, preserved slides for permanent stain, photographs, and/or online images; one 0.75‑mL fecal suspension for Giardia and Cryptosporidium immunoassays and/or modified acid‑fast stain