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 744.84 Microstomia View the most recent version of ICD-9-CM 744.84 A congenital defect in which the mouth is unusually small. 744.84 is a specific code that can be used to specify a diagnosis 744.84 contains 1 index entry View the ICD-9-CM Volume 1 744.* hierarchy  Index entries containing 744.84: Microstomia (congenital) 744.84