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 426.54 Trifascicular block View the most recent version of ICD-9-CM 426.54 426.54 is a specific code that can be used to specify a diagnosis 426.54 contains 1 index entry View the ICD-9-CM Volume 1 426.* hierarchy  Index entries containing 426.54: Block trifascicular 426.54