2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > Conduction Disorders 426.* > 2006 ICD-9-CM Diagnosis 426.3 Other left bundle branch block View the most recent version of ICD-9-CM 426.3 426.3 is a specific code that can be used to specify a diagnosis 426.3 contains 8 index entries View the ICD-9-CM Volume 1 426.* hierarchy Alternate Terminology Left bundle branch block: NOS anterior fascicular with posterior fascicular complete main stem  Index entries containing 426.3: Block bundle branch (complete) (false) (incomplete) 426.50 left (complete) (main stem) 426.3 with right bundle branch block 426.53 anterior fascicular 426.2 with posterior fascicular block 426.3 right bundle branch block 426.52 hemiblock 426.2 incomplete 426.2 with right bundle branch block 426.53 posterior fascicular 426.2 with anterior fascicular block 426.3 right bundle branch block 426.51 heart 426.9 bundle branch (complete) (false) (incomplete) 426.50 left (see also Block, bundle branch, left) 426.3 intraventricular (diffuse) (myofibrillar) 426.6 bundle branch (complete) (false) (incomplete) 426.50 left (see also Block, bundle branch, left) 426.3 Bundle branch block (complete) (false) (incomplete) 426.50 left (see also Block, bundle branch, left) 426.3 hemiblock 426.2 Degeneration, degenerative bundle of His 426.50 left 426.3 Sclerosis, sclerotic bundle of His 426.50 left 426.3