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
87340 – Infectious antigen detection (HBsAg)