Hepatitis B Virus Genotype by Sequencing (Sendout)
General Information
- Lab Name
- Lab Code
- 1026
- External Test Id
- 2001567
- Description
Ordering Recommendation: Determine antiviral drug resistance by DNA sequencing.
- Synonyms
- 2001567, Adefovir, Entecavir, HBsAg mutations, HBV drug resistance testing, HBV Genotype, HBV Genotyping, HBV Resistance, HBV Resistance Sequencing, HBV Sequencing, Hepatitis B Drug Resistance Panel, Lamivudine, Telbivudine, Tenofovir
- Components
Interpretation
- Guidelines
- Method
Polymerase Chain Reaction/Sequencing
- Reference Range
- Ref. Range Notes
Reference Interval: See report.
Interpretive Data: Both the HBV RT polymerase and the HBsAg encoding regions are sequenced. Resistance and surface antigen mutations are reported. In addition, the major HBV genotypes are identified. Mutations in viral sub-populations below 20 percent of total may not be detected.
- Interferences and Limitations
This test may be unsuccessful if the HBV viral load is less than log 3.0 or 1,000 IU/mL of plasma.
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
3 mL blood in LAVENDER TOP (EDTA)
- Also Accepted: GOLD SST or Pearl Top PPT
- Handling Instructions
Outside Laboratories: Centrifuge sample and transfer plasma or serum to a separate plastic vial. Freeze plasma/serum at -20 °C while awaiting shipment. Transport on dry ice.
Stability: Frozen: 6 weeks; Refrigerated: 1 week; Ambient: 72 hours.
- Quantity
-
Requested: 2 mL plasma or serum
Minimum: 0.5 mL plasma or serum
Processing
- Receiving Instructions
Centrifuge sample and transfer plasma or serum to a separate plastic vial. Freeze plasma/serum at -20°C.
Sendouts:
- Order ARUP Test: 2001567
- Interfaced: Yes [Interface: 602; Department: ARPZ]
Stability: Frozen: 6 weeks; Refrigerated: 1 week; Ambient: 72 hours.
- Misc Sendout
Performance
- Lab Department
- Frequency
- Performed: Tuesday, Friday. Reported: Within 10 days from sample receipt at ARUP Laboratories.
- Available STAT?
- No
- Performing Location(s)
-
Sendout ARUP Laboratories, Inc.
800-522-2787500 Chipeta Way
Salt Lake City, UT 84108
Billing & Coding
- Billing Comments
CPT: 87912