Hepatitis A IgM Antibody

Hepatitis A IgM Antibody

Test Code

512
86709
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
512
86709
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Hepatitis A IgM Antibody -

IgM antibodies to Hepatitis A suggest a current, acute or recent Hepatitis A infection.

Test Resources

Test FAQ

Biotin: Interference with Laboratory Assays

Algorithm

Laboratory Testing in the Diagnosis of Hepatitis A, B, or C Virus Infection

Clinical Focus

Viral Hepatitis: Laboratory Support for Diagnosis and Management

Test Details

Methodology

Immunoassay (IA)

Reference Range(s)

Non-Reactive

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunoassay (IA)

Reference Range(s)

Non-Reactive
Service Area must be determined

Preferred Specimen(s)

1 mL serum

Alternative Specimen(s)

Plasma collected in: EDTA (lavender-top) tube

Minimum Volume

0.5 mL

Collection Instructions

Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

Transport Container

Serum separator tube (SST)

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 14 days
  • Refrigerated: 14 days
  • Frozen: 30 days

Reject Criteria

Gross hemolysis • Grossly lipemic

Setup Schedule

Service Area must be determined
1 mL serum
Plasma collected in: EDTA (lavender-top) tube
0.5 mL
Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.
Serum separator tube (SST)
Room temperature
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Gross hemolysis • Grossly lipemic
Service Area must be determined
In-home collection may be available in your area for purchase through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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