Other congenital malformations of skull and face bones

**Excludes1:** - congenital malformation of face NOS (Q18.-) - congenital malformation syndromes classified to Q87.- - dentofacial anomalies [including malocclusion] (M26.-) - musculoskeletal deformities of head and face (Q67.0-Q67.4) - skull defects associated with congenital anomalies of brain such as: - anencephaly (Q00.0) - encephalocele (Q01.-) - hydrocephalus (Q03.-) - microcephaly (Q02)