RESULTS OF HBSAG TESTING OF AABB - CAP SURVEY SAMPLES

  • 1 January 1977
    • journal article
    • research article
    • Vol. 68  (1) , 210-212
Abstract
Participants in the AABB-CAP HBsAg [American Association of Blood Banks-College of American Pathologists Hepatitis B surface antigen] Survey Program and the Comprehensive Blood Bank Survey currently use radioimmunoassay (RIA) as the primary test for HBsAg. In changing from counterimmunoelectrophoresis (CEP) to RIA, participants have maintained a high degree of proficiency, detecting 99.1% of all reactive samples. RIA and reversed passive hemagglutination (RPHA) show greater sensitivity than the second-gerneration methods. Proficiency with RPHA was variable because of the occurrence of false-positive reactions and difficulty in detecting some samples with RIA ratios between 2.1 and 7.0.

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