left bundle branch hemiblock DOID:10272 ICD10CM:I44.60 ICD9CM:426.2 Left bundle branch [block] or [hemiblock] Left bundle branch hemiblock (disorder) Left bundle branch hemiblock NOS (disorder) SNOMEDCT_US_2016_03_01:195044001 SNOMEDCT_US_2016_03_01:195045000 SNOMEDCT_US_2016_03_01:266245009 SNOMEDCT_US_2016_03_01:4973001 UMLS_CUI:C0155702 disease_ontology heart conduction disease