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Test Code HEP B GEN Hepatitis B Genotype + Mutations

Clinical System Name

Hepatitis B Genotype + Mutations


Hep B Genotype

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA or Red or Gold SST

Preferred Vol: 2.0 mL

Minimum Vol: 0.6 mL


Note: Plasma/Serum MUST be separated from cells within 2 hours of collection.


Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: Spin sample and aliquot serum/plasma within 2 hours of collection. Freeze sample in CPA freezer send-outs rack.


Off-site collection: Spin sample and aliquot serum/plasma within 2 hours of collection. Transport frozen at -20 C.


Specimen Type Temperature Time
Plasma or serum Room temp

72 h

  Refrigerated 7 d
  Frozen 30 d



STAT Performed TAT
N Drawn daily; performed M & Th 10 - 14 d


Performing Laboratory

Quest Diagnostics - Nichols Institute

33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

Phone Number: (800) 553-5445


Department:  Send Outs


Phone Number: (206) 987-2563



Reference Range

Interpretive report provided.


Method: PCR + Sequencing

Analytical Volume: 0.3 mL serum or plasma


CPT Codes


Send Out Instructions


Reference Test Name: Hepatitis B Virus Drug Resistance, Genotype, and BCP/Precore Mutations
Reference Test Number: 10529
Instructions: Send out M - F with the Quest courier