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HEPATITIS, VIRAL – PANEL TESTS (Hepatitis B screen)

Synonym(s):

Hepatitis screen, Hepatitis B

Lab Section Category

Description

​Hepatitis B Surface Antigen (HBsAg) & Antibody to Surface Antigen (anti-HBs) or IgM Antibody to Core Antigen (anti-HBc IgM)

Indications

Specimen Required

​6 – 8 mL plain blood.

Hepatitis B screen: To test for present or past hepatitis B infection. The serum will first be tested for HBsAg. If HBsAg is negative, serum will be quantitatively tested for anti-HBs. If HBsAg is positive, it will be tested for anti-HBc IgM instead.

Storage and Transport

​Refrigerate samples if delay in transporting to laboratory is anticipated. Do not freeze.

Method

​Chemiluminescent Microparticle Immunoassay

Test Results

​HBsAg​Anti-HBsAnti-HBc IgM​Interpretation 
 
-
<10 mIU/mLNot TestedNon-immune to hepatitis B
-≥ 10 mIU/mLNot TestedAntibody present: immune if level >10 mIU/mL
+Not Tested +Acute type B hepatitis
+ Not Tested-Possible hepatitis B carrier

Reference Interval / Value

Turnaround Time

​<1 – 2 days

Day(s) Test Set up

​See Serological tests for Hepatitis B.

Remarks

Change History Notes

Others

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