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HelpEpic Code LAB472 Hepatitis B Surface Antibody
Test Name Alias
Hepatitis B Surface Antibody Level |HBsab | Hep B Qualitative | 6781
Interface Order Alias
10164
Clinical Information
Assay cutoff is calibrated at 11.5 mIU/L value considered to be protective level following vaccination.
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 1.0 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
Specimen Transport Temperature
Refrigerate
Specimen Stability
Ambient: 8 hours
Refrigerate: 72 hours
Frozen: aliquot serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available 24 hours, usual TAT 1 day
Reference Range
Nonreactive in unvaccinated individuals. Interpretation of positive result depends on clinical setting.
Performing Department
Chemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Methodology
sandwich electrochemiluminescence (ECLIA)
CPT
86706
CDM Code
3028670601
Epic Test ID
1230100758
LOINC
Hep B Surf Ab: 22322-2
Hep B Surf Ab Interp Comment: In process
Mayo Access Code
SHO6781
Additional Information
Non-gel tubes must be centrifuged and aliquoted within 2 hours of collection
Reviewed Date
3/7/2024