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Hepatitis B (HBV) Surface Antigen with Reflex to Confirmation
MessageCollect a full tube, following standard venipuncture techniques.
Test Code
LAB471 HBSAG
Alias/See Also
HBSAG
CPT Codes
87340
Instructions
Processing Instructions (Lab use only): Centrifuge and separate cells after clot formation and within 4 hours of collection. Minimum Testing Volume: 0.5 mL Serum Transport Temperature: Refrigerated Stability: Ambient: 24 hoursRefrigerated : 6 daysFrozen: >6 days Causes for Rejection: Unlabeled, mislabeled, wrong tube type, hemolyzed, QNS, exceeds specimen/stability requirements.
Clinical Significance
1230130099
Last Updated: May 18, 2026
