The AccuSet HBsAg Low Titer Performance Panel is a modified 18-member panel, 1.5mL per vial of naturally occurring plasma specimens originating from HBsAg Low Titer Performance Panel PHA107-1.5. Panel members 12, 13, and 19 are no longer available. No preservatives were added. Panel members are naturally-occurring plasma samples from different individuals with test results from eleven commercially available HBsAg assays, including one quantitative method and one rapid test, an HBsAg neutralization method, and tests for several other HBV markers from manufacturers such as Abbott, Dade Behring, DiaSorin, Ortho, Roche, and Siemens. For Research Use Only.