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 744.83 Macrostomia View the most recent version of ICD-9-CM 744.83 Greatly exaggerated width of the mouth, resulting from failure of union of the maxillary and mandibular processes, with extension of the oral orifice toward the ear. The defect may be unilateral or bilateral. 744.83 is a specific code that can be used to specify a diagnosis 744.83 contains 2 index entries View the ICD-9-CM Volume 1 744.* hierarchy  Index entries containing 744.83: Macrostomia (congenital) 744.83 Meloschisis 744.83