2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Congenital Anomalies 740-759 > 2006 ICD-9-CM Diagnosis 743 Congenital anomalies of eye View the most recent version of ICD-9-CM 743 Congenital absence of or defects in structures of the eye; may also be hereditary. 743 is a non-specific code that cannot be used to specify a diagnosis