Amebiasis Antibodies

CPT: 86753
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Test Details

Synonyms

  • E histolytica, Amebic Antibodies

Use

A positive test may not necessarily indicate active infection, since antibodies may persist for years. The titer is not directly correlated with the severity of the infection, due to the variance in patient response and to the variance in response to the type of infection. A negative response is equally important, as long as ample time has been allowed for antibody production.

Methodology

Enzyme immunoassay (EIA)

Reference Interval

Negative

Additional Information

The antibody response is greatest in amebic liver abscesses, less in intestinal amebiasis, and still less (or negligible) in asymptomatic cyst passers. Serological results have been shown to detect 90% to 100% of amebic liver abscesses, 80% to 100% of symptomatic intestinal amebiasis, and 10% to 50% of asymptomatic cyst passers.

Specimen Requirements

Specimen

Serum

Volume

0.4 mL

Minimum Volume

0.2 mL

Container

Red-top tube or gel-barrier tube

Storage Instructions

Refrigerate

Causes for Rejection

Gross hemolysis; lipemia; bacterial contamination

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
006874 Amebiasis Antibodies 22285-1 006876 Amebiasis Antibodies 22285-1

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CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2017, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf