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HelpHepatitis Bs Antigen (HBsAg)
Additional Codes
LAB471
Performing Laboratory
MBMC Main Laboratory
Methodology
Electro-Chemiluminescent Immunoassay (ECLIA)
Testing Algorithm
If HBsAg is indeterminate or reactive, HBsAg confirmation testing by specific antibody neutralization will be performed, at an additional charge.
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold top, serum gel
Specimen Volume: Full tube
Collection Information: Specimen with obvious microbial contamination is not acceptable.
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: not available
Routine: results available the day of testing
Reference Values
Nonreactive (reported as nonreactive, reactive, or equivocal)
Automatic call-back for MBC Labor and Delivery only : reactive, confirmation testing reflexed
Test Classification and CPT Coding
87340-Hepatitis Bs antigen EIA
87341-Hepatitis Bs antigen neutralization EIA (if appropriate)
Stability
5 days Refrigerated