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Hepatitis B Surface Antigen

Message
Effective 1/2/19 testing switched from VA Connecticut to VA Boston (West Roxbury division).
All reactive results will be confirmed by testing at VA Connecticut.


Test Code
HEP B SURF AG


Alias/See Also
HBsAG


Preferred Specimen
Gold top tube


Minimum Volume
0.5mL


Transport Temperature
Refrigerated


Specimen Stability
Room temperature (20 to 25°C): 24 hours
Refrigerated (2-8°C): 6 days
Frozen (-20°C or colder): 6 days off clot/gel
Avoid freeze/thaw cycles


Reference Range
Non-reactive


Performing Laboratory
Test performed at the West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973


Last Updated: November 21, 2025


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.