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Hepatitis B Viral DNA, Quantitative, Real-tim PCR
MessageThis test was developed and its performance characteristics have been determined by Quest Diagnostics Nichols Institute. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval
Test Code
8369
CPT Codes
87517
Preferred Specimen
3 mL plasma collected in EDTA (lavender-top) tube
Minimum Volume
1 mL
Other Acceptable Specimens
Plasma collected in: PPT potassium EDTA (white-top) • Serum
Instructions
Specimen may be collected in an SST red top glass tube and transferred to a plastic transport tube for submission to the laboratory. Do not submit glass tubes. PPT or SST: separate plasma or serum by centrifugation within 6 hours if collection.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 6 days
Frozen: 84 days
Refrigerated: 6 days
Frozen: 84 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature
Methodology
Real-Time Polymerase Chain Reaction
Setup Schedule
Set up: Tues-Sat; Report available: 1-3 days
Limitations
Results obtained from immunosuppressed patients should be interpreted with caution.
Reference Range
100 - 500,000,000 IU/mL or 160 - 2.5 billion copies/mL
Clinical Significance
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
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 14225 Newbrook Drive |
| Chantilly, VA 20153 |
