ICD-10-CM > Q00-QA0 > Q30-Q34 > Q30 Q30 Congenital malformations of nose Non-Billable/Non-Specific Type 1 Excludes congenital deviation of nasal septum (Q67.4) Codes Q30.0Choanal atresiaQ30.1Agenesis and underdevelopment of noseQ30.2Fissured, notched and cleft noseQ30.3Congenital perforated nasal septumQ30.8Other congenital malformations of noseQ30.9Congenital malformation of nose, unspecified