Entamoeba histolytica (amebiasis), Antibody, IgG EHIST

Method(s) Semi-Quantitative Enzyme Linked Immunosorbent Assay
Specimen Required
Collect One 5 mL gold (SST) top tube.
Transport

1 mL serum refrigerated. (Min: 0.1 mL)

Remarks

Separate serum from cells ASAP or within 2 hours of collection. Acute and convalescent samples must be labeled as such; parallel testing is preferred and convalescent samples must be received within 30 days from receipt of the acute samples. Please mark sample plainly as "acute" or "convalescent."

Stability After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Unacceptable Conditions Severely lipemic, contaminated, heat-inactivated, or hemolyzed samples.
Schedule Tue, Fri
Billing Code 5010439
CPTCode 86753
Preferred Specimen Collection Device(s)
Reference Interval

Effective: February 6, 2017

8 U or less: Negative - No significant level of detectable E. histolytica IgG antibody.
9-11 U: Equivocal - Repeat testing in 10-14 days may be helpful.
12 U or greater: Positive - IgG antibody to E. histolytica detected, suggestive of a current or past infection.

No Appointment Necessary
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11 Patient Service Centers in Central New York.

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