2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > Congenital Anomalies Of Ear Face And Neck 744.* > 2006 ICD-9-CM Diagnosis 744.46 Preauricular sinus or fistula View the most recent version of ICD-9-CM 744.46 744.46 is a specific code that can be used to specify a diagnosis 744.46 contains 4 index entries View the ICD-9-CM Volume 1 744.* hierarchy  Index entries containing 744.46: Anomaly, anomalous (congenital) (unspecified type) 759.9 preauricular sinus 744.46 Fistula (sinus) 686.9 preauricular (congenital) 744.46 Imperfect closure (congenital) preauricular sinus 744.46 Sinus - see also Fistula preauricular 744.46