Test Code EAG Hepatitis B Virus e Antigen, Serum
Ordering Guidance
If ordered with HBVQN / Hepatitis B Virus (HBV) DNA Detection and Quantification by Real-Time PCR, Serum; send separate vials.
Additional Testing Requirements
Necessary Information
Date of collection is required.
Specimen Required
Patient Preparation: For 24 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Serum gel (red-top tubes are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.7 mL
Collection Instructions:
1. Centrifuge blood collection tube per manufacturer's instructions (eg, centrifuge and aliquot within 2 hours of collection for BD Vacutainer tubes).
2. Aliquot serum into plastic vial.
CMH COLLECTION: 1.5 mL in red gel vacutainer
Specimen Minimum Volume
0.6 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum SST | Frozen (preferred) | 90 days | |
Refrigerated | 6 days | ||
Ambient | 72 hours |
Testing Algorithm
For more information see Hepatitis B: Testing Algorithm for Screening, Diagnosis, and Management
Useful For
Determining the presence or absence of detectable hepatitis B virus e antigen in monitoring infection status of individuals with chronic hepatitis B
Determining infectivity of hepatitis B virus (HBV) carriers
Monitoring serologic response of chronically HBV-infected patients receiving antiviral therapy
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | Reject |
Heat-inactivated specimen | Reject |
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysReporting Name
Hepatitis Be Ag, SReference Values
Negative
Method Name
Electrochemiluminescence Immunoassay (ECLIA)
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
87350