Q183-char group
Other congenital malformations of face and neck
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: cleft lip and cleft palate (Q35-Q37) conditions classified to Q67.0-Q67.4 congenital malformations of skull and face bones (Q75.-) cyclopia (Q87.0) dentofacial anomalies [including malocclusion] (K07.-) malformation syndromes affecting facial appearance (Q87.0) persistent thyroglossal duct (Q89.2)
Codes within Q18
Q18.0Sinus, fistula and cyst of branchial cleftQ18.1Preauricular sinus and cystQ18.2Other branchial cleft malformationsQ18.3Webbing of neckQ18.4MacrostomiaQ18.5MicrostomiaQ18.6MacrocheiliaQ18.7MicrocheiliaQ18.8Other specified congenital malformations of face and neckQ18.9Congenital malformation of face and neck, unspecified