Methodology
Chemiluminescent Immunoassay
Synonyms
HBSAG; HBsAG confirmation; Hepatitis B surface antigen
Specimen Type
Serum or Plasma
Performing Lab
ARUP
Epic ID
Other Reference Test
Lab Test Days
Sunday-Saturday
Standard TAT
3-5 Days
Collection Information
Specimen Required
3-5 mL Blood
Container Type
Gold (SST)
Collection Instructions
Plasma collected in an EDTA (lavender-top) tube is also acceptable. Order this assay only when a specimen is repeatedly reactive for Hepatitis B Surface Antigen.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 1 Week; Frozen: Indefinte (Avoid repeated/thaw cycles)
Rejection Criteria
Heeparinized plasma; Specimens containing particulate material or obvious microbial contamination; Heat-inactivated; serverly hemolyzed; lipemic specimens
Test Volume Required
2.5 mL Serum or Plasma
Minimum Test Volume
1.5 mL Serum or Plasma
Processing Instructions
Separate serum or plasma from cells asap or within 2 hours of collection. Transfer serum/plasma to a standard transport tube. Complete ARUP requisition and submit with specimen refrigerated or frozen. Call Apollo Courier Service for pick up Monday-Friday.
CPT Codes
87341
Revised
04-23-16
Initials
SL