Test Details

Mnemonic

AABG

Ordering Code

3680600

CPT-4 Code(s)

86753

Specimen Information

Collect

Serum separator tube (SST)
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Specimen Preparation

Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum refrigerated in a screw capped plastic vial.
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Alternate Specimen

Serum: Red top
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Minimum Volume

0.2 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Grossly lipemic, contaminated, heat-inactivated or hemolyzed specimens
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Stability

Room temperature: 2 days
Refrigerated: 14 days
Frozen: 1 year
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Methodology

Semi-Quantitative Enzyme Immunoassay
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Reference Range

≤8 U: Negative-No significant level of detectable E. histolytic IgG antibody.
9 - 11 U: Equivocal-Repeat testing in 10-14 days may be helpful.
≥12 U: Positive-IgG antibody to E. histolytica detected which may indicate a current or past infection.
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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