Test Details
Mnemonic
AABG
Ordering Code
3680600
CPT-4 Code(s)
86753
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.2 mL
Transport Temperature
Refrigerated
Rejection Criteria
Grossly lipemic, contaminated, heat-inactivated or hemolyzed specimens
Stability
Room temperature: 2 days
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Semi-Quantitative Enzyme Immunoassay
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.
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.
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes