Specimen Requirements


Hepatitis B Virus DNA

Specimen Requirement

Collect SST, lavender EDTA or PPT, send 2.5 mL plasma or serum.


cobas® HBV for use on the cobas® 6800/8800 system


Room temp: 24 hours, Refrigerated: 6 days, Frozen: 12 weeks

Reference Range

By Report


2-4 days

Clinical Use

This test is intended for use in conjunction with clinical presentation and other laboratory markers for the clinical management of patients with chronic HBV infection undergoing antiviral therapy. The test can be used to measure HBV DNA levels at baseline and during treatment to aid in assessing response to treatment.

The cobas® HBV Test is not intended for use as a screening test for the presence of HBV in blood or blood products or as a diagnostic test to confirm the presence of HBV infection.

Test Code