Test directory: Hepatitis B Virus Genotype

Ordering Code 5527A
Test Name Hepatitis B Virus Genotype
Alias HBV Basal Promotor
HBV Drug Resistance
HBV Genotype
HBV TAG Mutation
HBV YMDD Mutations
Preferred Specimen Serum
Preferred Container SST (Gold)
Other Specimen/Container Plasma in EDTA, K2 (Lavender),
Serum in Plain (Red),
PPT Potassium EDTA (White Top)
Optimum Volume 1 mL
Collection Instructions Collect in "plastic" SST tube, Plain Red tube or EDTA (K2) tube
This test can only be performed on specimens with a viral load of at least 600 IU/mL.
Handling Instructions Serum: Allow blood to clot at Room Temperature and centrifuge and separate serum within 2 hours of collection
Transfer to aliquot and freeze
EDTA Plasma: Separate plasma from cells within 2 hours of collection. Transfer to aliquot and freeze. Notate type of specimen on the aliquot tube
Avoid repeated freezing and thawing.
Transport Requirements Oahu: Frozen
Airline: Frozen
Specimen Stability Ambient: 72 Hours
Refrigerated: 7 Days
Frozen: 1 Month
Avail. Stat NO
Analytic Time 7 Days
Methodology Polymerase Chain Reaction, Sequencing
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of September 14, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
HBV Genotype ALL See report.
Polymerase Mutations ALL See report.
Precore Mutation ALL See report.
BCP Mutations ALL See report.