Hepatitis B Surface Antigen

Additional Info:
HBsAg reactive samples will be confirmed by neutralization. This testing, considered medically appropriate, will be reflexed resulting in additional charges.
Positive in house tests will reflex a confirmation test at ACL

Methodology: Sandwich principle/Electrochemiluminescence

Specimen Requirements: 1 yellow-top SST tube (minimum: 1.0 mL of serum). Centrifuge SST 30 minutes after draw. Refrigerate specimen after collection.

NOTE: A dedicated, primary sample tube is preferred.

Analytical Time: 3 days

Days Set Up: Varies

CPT Reflex: Reflex Code: 87341

CPT Information:
87340 – Infectious antigen detection (HBsAg)

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