2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > Other Congenital Anomalies Of Heart 746.* > 2006 ICD-9-CM Diagnosis 746.86 Congenital heart block View the most recent version of ICD-9-CM 746.86 746.86 is a specific code that can be used to specify a diagnosis 746.86 contains 5 index entries View the ICD-9-CM Volume 1 746.* hierarchy Alternate Terminology Complete or incomplete atrioventricular [AV] block  Index entries containing 746.86: Block atrioventricular (AV) (incomplete) (partial) 426.10 complete 426.0 congenital 746.86 congenital 746.86 auriculoventricular (see also Block, atrioventricular) 426.10 complete 426.0 congenital 746.86 congenital 746.86 heart 426.9 congenital 746.86