Epic Code LAB471 Hepatitis B Surface Antigen Level
Test Name Alias
Hepatitis B Surface Antigen Level | Hbs Ag | HbsAg | 6780
Interface Order Alias
10165
Clinical Information
Mandatory Reflex Information:
- Reactive Hepatitis B surface antigen, HbsAg Confirmation test will be performed.
Collection Instructions
Specimen Collection: Blood
Container(s): Gold Top (Serum Separator-SST Gel)
- Preferred Volume to Collect: 5.0 mL
- Minimum Volume to Collect: 2.0 mL
- Neonate Volume to Collect:
- Capillary collect ok?
- Microtainer acceptable:
Collection Instructions:
- Gently invert gold tube(s) 8 – 10 times to mix clot activator with blood.
- Specimen should be processed within 2 hours – See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
- Processed Specimen: Serum
- Centrifuge/Spin: Yes
- Aliquot:
- Minimum volume: 1.0 mL serum
- Transport Temperature: Refrigerated
Specimen Transport Temperature
Refrigerate
Specimen Stability
Ambient: 8 hours
Refrigerate: 72 hours
Frozen: aliquot serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available 24 hours, usual TAT 1 – 3 days
Reference Range
Nonreactive
Performing Department
Chemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Methodology
Chemiluminescence
CPT
87340
CDM Code
3068734001
Epic Test ID
1230100760
LOINC
Hep B Surf Ag: 5195-3
Mayo Access Code
SHO6780
Reviewed Date
3/7/2024
Updated Date
3/14/2024 - Reference Range