CDISC SDTM Microbiology Test Code Terminology CDISC SDTM Microbiology Test Name Terminology CPTAC Terminology CPTAC Baseline Medical Forms Terminology CPTAC Liver Hepatocellular Carcinoma Baseline Form GDC Terminology GDC Value Terminology Hepatitis Serology Virus-Based Immunology Test Clinical Data Interchange Standards Consortium Terminology Hepatitis B Virus Surface Antigen Measurement Hepatitis B Surface Antigen Hepatitis B Virus Surface Antigen Measurement C64850 Hepatitis B Virus Surface Antigen HBSAG CDISC CPTAC GDC A measurement of the surface antigen reaction of a biological specimen to the Hepatitis B virus. C0201477 Hepatitis_B_Virus_Surface_Antigen_Measurement Hepatitis B Surface Antigen A determination of the presence of hepatitis B virus surface antigen. Hepatitis B Virus Surface Antigen Measurement HBsAg Laboratory Procedure CDISC SDTM Terminology