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Test Code LAB471 Hepatitis B Surface Antigen

Important Note

For STAT Maternal/Neonatal testing, contact the lab.

STAT Maternal/Neonatal testing performed within 24 hours of draw/lab notification.

Performing Lab

Arnot Ogden Medical Center

Ordering Recommendations

Diagnosis of acute, recent, or chronic hepatitis B infection.

Determination of chronic hepatitis B infection status.  

 

Collect

Serum

Collection Device

Gold Top Tube

Specimen Volume

5 mL

Stability (from collection to initiation)

Room Temp 3 Days
Refrigerated 7 Days
Frozen Indefinite. Max 7 freeze/thaw cycles

 

Storage/Transport Temperature

Room Temp, Refrigerated, Frozen

Minimum Requirements

4 mL

Methodology

Chemiluminescence Immunoassay (CLIA)

Performed

Routine testing performed Monday through Friday.

STAT Maternal/Neonatal testing performed within 24 hours of draw/lab notification.

Reflex Testing

Presumptive positive results will be sent to a reference laboratory for confirmatory testing.

Start Date

12/30/20

Last Review Date

2/15/26 ES