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Test Code LAB471 Hepatitis B Surface Antigen

Useful For

HBsAg is the surface antigen of the hepatitis B virus and its presence indicates a case of acute or chronic hepatitis B. Additionally, this test is used to evaluate risk in needlestick injuries in health care facilities and guide use of hepatitis B immune globulin.  It is also a part of the prenatal workup.

 

Postive test results are sent to ARUP Laboratories for confirmation testing. ARUP test ID: 0020128

Performing Laboratory

Asante Rogue Regional Medical Center

 

Performing Department

Chemistry

Specimen Required

(submit one of the following tube types)

Yellow (Gold) top tube (SST)- Outpatient clients MUST draw SST

Plain Red top tube

2 yellow top microtainers

Specimen Minimum Volume

0.75 mL

Neonatal minimum volume: 1.0 mL whole blood

Specimen Stability Information

Centrifuge and refrigerate within 2 hours of collection

Serum stable 7 days refrigerated at 2° to 8° C

Freeze for longer storage

Reject Due To

  • Icterus
  • Lipemia
  • Hemolysis
  • Quantity not sufficient (QNS)
  • Lack of Two Patient Identifiers:
    • 1-Patient’s First & Last name 
    • 2-Patient’s Date of Birth

Day(s) Performed

Tests are performed Monday through Friday.

Positive results are called to physician

Positive results also require public health reporting and follow-up

Method Name

Chemiluminescence (CLIA)

CPT Code Information

87340

Infectious agent antigen detection by enzyme immunoassay technique, qualitative or semiquantitative, multiple-step method; hepatitis B surface antigen (HBsAg)

Billing Code

2070258