Hepatitis B Virus Genotype

Sunquest Code:HBVGSQ  
Epic Code:LAB6753Epic Name:Hepatitis B Virus Genotype Sequencing
Synonyms:HBV Genotyping
Methodology:Polymerase chain reaction (PCR)/Sequencing
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 10 days.
Special Instructions:Submit most recent viral load and test data if available. This test may be unsuccessful if the HBV viral load is less than log 3.0 or 1,000 IU/mL of plasma.

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Purple (EDTA) (Red (no gel), Red or gold (gel))
Causes for Rejection:Heparinized specimens.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.5 mL minimum serum or plasma within 24 hours of collection..
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: 72 hours at room temperature; 1 week refrigerated; 6 weeks frozen
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2001567


Reference Range:By report.
Use:Both the HBV RT polymerase and the HBsAg encoding regions are sequenced. Resistance and surface antigen mutations are reported. In addition, the eight major HBV genotypes (A, B, C, D, E, F, G and H) are identified. Mutations in viral sub-populations below 20 percent of total may not be detected.

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