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 744.21 Absence of ear lobe congenital View the most recent version of ICD-9-CM 744.21 744.21 is a specific code that can be used to specify a diagnosis 744.21 contains 3 index entries View the ICD-9-CM Volume 1 744.* hierarchy  Index entries containing 744.21: Absence (organ or part) (complete or partial) ear, congenital 744.09 lobe, lobule 744.21 Agenesis - see also Absence, by site, congenital ear NEC 744.09 lobe 744.21 Rudimentary (congenital) - see also Agenesis lobule of ear 744.21