Phecode ID Phecode Description Range Sex Phecode Category ICD code ICD Description ICD Type Phenome
426.21 First degree AV block 426-427.99 Both circulatory system I44.0 Atrioventricular block, first degree ICD10CM MGI
426.21 First degree AV block 426-427.99 Both circulatory system 426.11 First degree atrioventricular block ICD9CM MGI
426.21 First degree AV block 426-427.99 Both circulatory system I44.0 I44.0 Atrioventricular block, first degree ICD10 UKB