HEPATITIS B SURFACE ANTIGEN with CONFIRMATION

Test Code: 190Specimen Collection: Serum
Component:


Hepatitis B Surface Ag
(HBSAg)
HBSAg Neutralization

Method:


IA

IA

Collection Notes: Positive samples will be confirmed at an additional charge by reflex testing. Sample requirement must be met.
Clinical Utility: HBSAg is useful in identifying the presence of acute infection, and it can serve as an indicator of chronic infection when it is present for more than six months.
CPT Code: 87340 (HBSAg),87341 (HBSAg Confirmation)Testing Location: AML
SPECIMEN/STABILITY TYPE
Temperature:

Serum (1 mL)

Ambient
 
24
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
3
 
Months

EDTA plasma (1 mL)

EDTA

Ambient
 
8
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
180
 
Days

Lithium heparin plasma (1 mL)

Ambient
 
24
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
3
 
Months

Sodium heparin plasma (1 mL)

Ambient
 
24
 
Hours
Refrigerated
 
7
 
Days
Frozen
 
3
 
Months
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