CPT Changes Current book and archives back to 2000 Easy-to-read online book format Linked to and from code details
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SNOMED CT code SNOMED code 121276004 name Antigen assay status active date introduced 2002-01-31 fully specified name(s) Antigen assay (procedure) synonyms Antigen level Antigen assay In vitro immunologic test to detect, identify, characterize AND/OR quantify an antigen Antigen measurement Antigen detection In vitro immunologic test to detect, identify, characterise AND/OR quantify an antigen attributes - group1 Component Antigen 7120007 attributes - group2 Method Measurement - action 129266000 parents children Antigen to cardiac tissue measurement 40824007 B-cell antigen detection 48166009 Bovine inner ear antigen assay 117895007 CD4+CD29+ Lymphocyte antigen detection 115402005 Complement C3b-C4b receptor measurement 104370003 Complement component, antigen measurement 104336004 Complement decay accelerating factor measurement 104368007 Complement membrane C3b-C4b cofactor protein measurement 104347006 CR type 2 receptor measurement 61792005 CR type 4 receptor measurement 40213004 Cytomegalovirus antigen test 134287002 removed: 2015-01-31 Detection of lymphocytes positive for both CD3 antigen and CD4 antigen 115397006 Detection of lymphocytes positive for both CD4 antigen and CD25 antigen 115400002 Detection of lymphocytes positive for both CD4 antigen and CD45RA antigen 115404006 Detection of lymphocytes positive for both CD4 antigen and HLA-DR antigen 115406008 Detection of lymphocytes positive for CD4 antigen 115398001 Detection of lymphocytes positive for CD8 antigen 702789006 Fluorescent antigen, screen 45151005 Helper T-cell antigen measurement 38935004 Hemolysin detection 52391000 Hepatitis A antigen screening 252404004 Hepatitis E antigen measurement 60992009 HIV antigen test 31676001 HIV-2 antigen assay 32545003 HLA antigen typing 117604000 removed: 2003-07-31 HLA-A29 typing 417622004 Homologous restriction factor measurement 104372006 Human leukocyte antigen phenotyping 397757002 Identification of antibody to RBC antigens from Lewis system (ISBT 007) 104010002 Identification of antibody to RBC antigens from Lutheran system (ISBT 005) 103998001 Identification of rotavirus antigen in feces 4691008 Immunoassay for detection of antigen to infectious agent 49161005 Isoelectric focusing measurement 69571005 Lymphocytes, T and B cell evaluation 3450007 Measurement of Bacillus anthracis antibody using direct fluorescence 409626002 removed: 2021-07-31 Microbial antigen assay 118118006 Myeloid antigen detection 79690009 Natural killer cell antigen detection 37694002 Nonlineage cell antigen detection 63908003 Plasma plasminogen antigen level 408593002 Soluble CD8 T-cell antigen assay 34185001 Tumor antigen measurement 893000 von Willebrand factor antigen level 408275002 hierarchies a selection of possible paths
SNOMED CT Concept 138875005 71388002 108252007 15220000 252318005 19838004 312504002 121276004 138875005 71388002 128927009 386053000 122869004 430925007 121276004 ancestors sorted most to least specific
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