Ova and Parasite Exam

Test ID: ZG879

CPT code:
Specimen Type: Stool – O&P container with formalin and PVA
Frequency: 3 – 7 days
Instructions: 3 to 4 mL sputum or 5 mL feces Stool from O&P container with formalin and PVA (ParaPak pink and gray), Ambient. Min 3 mL.
Text: Establish the diagnosis of parasitic infestation. One negative result does not rule out the possibility of parasitic infestation. Stool examination for Giardia may be negative in early stages of infection, in patients who shed organisms cyclically, and in chronic infections. Tests for Giardia antigen may have a higher yield.
Methodology: Formalin concentrate and trichrome stain

Test Name

AMS Laboratory

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