LabCorp Test

Hepatitis B Core Antibody Blood Test, IgM

Quick Overview

HBcAb refers to an antibody produced in response to the core-antigen, a component of the Hepatitis B virus.

Test #016881


Availability: In stock

Also Known As Anti-HBc, IgM, Antibody to Hepatitis B Core Antigen, IgM, HBcAb, IgM.
Preparation No fasting required. Stop biotin consumption at least 72 hours prior to the collection.
Test Results 2-3 days. May take longer based on weather, holiday or lab delays.


HBcAb is not a protective antibody and is usually present in those chronically infected with Hepatitis B.  A positive or reactive HBcAb indicates a past or present infection, or could be a false positive.  Interpretation of the result depends on Hepatitis B surface antibody and Hepatitis B surface antigen.

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