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Hepatitis B virus genotype

Lab Section:  Sendout Reference  
Lab Location:  Sendout
Reference Lab: Quest 
Test ID: LAB3060 
Synonyms: Hepatitis B Drug Resistance Panel
Methodology: Real-Time Polymerase Chain Reaction (RT-PCR)
Schedule: Mon-Fri
Reported: 10 days
Specimen Requirements:  Collection: 5.0 mL Blood in a Gold Top Tube.
Pediatric volume: 3 mL.
2 ml plasma collected in each of two separate EDTA (lavender-top) tubes. Separate plasma from whole blood within 1 day of collection by centrifugation at 800 to 1600 x g for 20 minutes at room temperature. Recommend collecting two tubes per patient to avoid QNS.
Transport: Frozen.
Handling: Collect blood in sterile tubes with no anticoagulants; plastic serum separator tubes (SSTs) are recommended. Allow blood to clot at room temperature and separate serum from cells within 2 hours of collection..
Unacceptable conditions: Unspun PPT tube
Stability: Room temperature: 72 hours Refrigerated: 7 days Frozen: 30 days


Clinical Indications: Chronic carriers will persist in producing detectable HBV. Patients with chronic liver disease of unknown origin most commonly have HBV that is detected by viral DNA testing. Quantitative measurement of HBV viral DNA may be used to monitor progression of disease.

Performing Laboratory Focus Diagnostics, Inc. 33608 Ortega Highway San Juan Capistrano, CA 92675

Reference Interval:  See patient report or consult reference laboratory website.
CPT Code(s): 87517, 87912
Last Changed: 11/01/2016 13:31:06
Last Reviewed: 12/26/2016 23:52:07