Hepatitis B Genotype
Order Code: HBVG
Epic Lab Code: LAB3292
Order Form: A-1a Miscellaneous Request or Epic Req
Commercial Mail-out Laboratory
6240 RCP
356-3527
Specimen:
Serum
Collection Medium:
Red top tube
Minimum:
Preferred Minimum: 2 mL serum
Absolute Minimum: 0.5 mL serum

Serum must be removed from cells within 24 hours.
Rejection Criteria:
Whole blood or heparinized specimens.
Delivery Instructions:
Deliver to laboratory immediately after collection. Critical frozen.
Analytic Time:
within 10 days upon receipt at reference laboratory
Interpretive Data:
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% of total may not be detected.
Comments:
This test may be unsuccessful if the HBV viral load is less than log 3.0 or 1,000 IU/mL of serum.
Methodology:
Polymerase Chain Reaction/Nucleic Acid Sequencing
CPT Code:
83890, 83898, 83904 x2, 83909
 
See Additional Information:
Specimens Requiring Immediate Delivery