Days Set Up
Daily, 24 hours
Analytic Time

4 hours

MiChart Code
Hepatitis B Surface Antigen
Soft Order Code
HBSAG

Test Updated:

Synonyms

Australia Antigen
HAA
HBSA
Hepatitis Associated Antigen
Hepatitis B Antigen
HB-AG
HBA
HEPATITIS B SURFACE ANTIGEN

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Chemiluminescent Immunoassay

Test Usage

Specimens are screened for the presence of Hepatitis B surface antigen. Hepatitis B Surface Antigen is the first antigen to appear following an infection and can be detected serologically as an aid in the lab diagnosis of acute hepatitis infection. 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.

Specimen Requirements

Collection Instructions

Collect specimen in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 14 days (3 days in primary tube) or freeze for longer storage.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum

Billing Information

CPT Code
87340
Pro Fee Code
 
Insurance Auth Info
 
LOINC
5196-1

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.