Test Code FHBG Hepatitis B Virus Genotyping
Additional Codes
| Epic Ordering Code | LAB3041879 |
| NBS code | LBC06114 |
| Service code | 36989 |
Reporting Name
Hepatitis B Virus GenotypeSpecimen Type
Plasma EDTASpecimen Required
Collection Container/Tube: EDTA (lavender or pink top)
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL Plasma
Collection Instructions:
1.Centrifuge and aliquot 2 mL plasma into a plastic vial.
2. Send frozen.
Additional Information: This test may be unsuccessful if the HBV Viral load is less than log 3.0 or 1000 IU/mL of plasma.
NUH Outreach Laboratories:
Specimen Requirements
Submit the following:
Container: Purple Top
Processing Requirements
Centrifuge and aliquot plasma into a Mayo plastic tube.
Specimen type: Plasma
Volume: 2 mL
Storage/transport requirements: Frozen
Specimen Minimum Volume
Plasma: 0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Frozen (preferred) | 42 days |
| Refrigerated | 7 days | |
| Ambient | 72 hours |
Reject Due To
| Thawing: | Cold OK; Warm OK |
| Heparinized specimens | Reject |
Method Name
Polymerase Chain Reaction/Sequencing
Day(s) Performed
Tuesday, Friday
Report Available
10 to 21 daysPlease note that this is a referral test requiring transport to the external testing facility and an additional 3-5 days is required.
Reference Values
Not detected
Performing Laboratory
ARUP LaboratoriesCPT Code Information
87912
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FHBG | Hepatitis B Virus Genotype | 32366-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z3195 | Hepatitis B Genotype | 32366-7 |
| Z3196 | HBV Surface Antigen Mutations | 32366-7 |
| Z3197 | HBV RT Polymerase Mutations | Unable to Verify |
Test Classification
This test was developed and its performance characteristics determine by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purpose.Last updated 28/07/2026