Microbiology Laboratory

Cryptosporidium/Giardia Rapid Assay

  • LIS Mnemonic: RCGAG

    Collect

    Stool, colonic aspirate or small bowel aspirate in a clean leak-proof screw-cap container or O&P vials

    Volume Required

    1-3 mLs

    Minimum Required

    1 mL

    Transport

    Unpreserved specimen: at room temperature within 30 minutes of collection. Transport preserved specimens at room temperature.

    Stability

    Unpreserved specimens: 30 minutes
    Preserved specimens: 2 weeks at room temperature

    Unacceptable conditions

    Colonic or duodenal washings due to dilution factor
    Specimens containing barium
    Specimens submitted on swabs or in diapers
    Refrigerated specimens

Days Performed

Daily

Reported

Within 2 hours of receipt in the laboratory

CPT

86255

Methodology

Enzyme Immunoassay

Remarks

If patient has had barium: specimen should not be submitted until >=7 days later.

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