Test Overview
Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

Detection of IgM antibody to Hepatitis A. A positive result indicates a current or recent hepatitis A virus infection. Anti-HAV IgM is usually detectable for 3 to 6 months after the onset of illness. The performance of this assay has not been established with cord blood, neonatal specimens, cadaver specimens, heat-inactivated samples or body fluids other than serum.

Reference Range *

Non-Reactive

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
HAMAB
MiChart Code
Hepatitis A Antibody, IgM
Synonyms
  • Anti-HAV IgM
  • HAVAB IgM
  • AHAV
  • ANTI-HEPATITIS A (IGM)
  • HAMAB
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions

Collect specimen in red top or SST tube. Centrifuge, aliquot serum into a plastic vial within 2 hours of collection, and refrigerate up to 48 hours or freeze for longer storage.

Alternate Specimen
Red Top Tube; Green Top Tube (sodium or lithium heparin); Lavender Top Tube (EDTA)
Yellow Top Tube
Normal Volume
0.50 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
86709
Fee Code
23355
LOINC
22314-9
Resources