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Hepatitis B Surface Antigen (HBsAg)
Test CodeLAB471
Alias/See Also
HBSAG
CPT Codes
87340
Preferred Specimen
1 mL serum collected in a serum separator tube (SST®)
Minimum Volume
0.5 mL serum collected in a serum separator tube (SST®)
Instructions
Allow complete clot formation. Spin sample within 2 hours of collection
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 24 hours
Refrigerated: 14 days
Frozen: 6 months
Refrigerated: 14 days
Frozen: 6 months