HEPATITIS B SURFACE ANTIGEN

Specimen Required
Draw blood in a SST. Centrifuge, separate and send 2.0 mL serum (1.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA; Heparin (sodium or lithium)
Serum: Red-top

Rejection Criteria
Grossly hemolyzed, icteric or lipemic specimens, Sodium citrate plasma

Methodology
Chemiluminescence

Stability
Room Temperature: Unacceptable; Refrigerated: 7 days; Frozen: 14 days

Reference Range
Negative
See also Immunology Viral Serology Appendix.

Performed
Sunday-Friday

Turnaround Time3 days
Test CodeHBSAG
CPT-4 Code (s)
87340
LOINC Codes
5195-3

Warde
Medical
Laboratory