Q18 is the ICD-10 code for Other congenital malformations of face and neck. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block Q10–Q18 (Congenital malformations of eye, ear, face and neck) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Category (3 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
What Q18 excludes
Conditions that look similar but belong under another code.
Subcodes of Q18
- Q18.0Sinus, fistula and cyst of branchial cleft
- Q18.1Preauricular sinus and cyst
- Q18.2Other branchial cleft malformations
- Q18.3Webbing of neck
- Q18.4Macrostomia
- Q18.5Microstomia
- Q18.6Macrocheilia
- Q18.7Microcheilia
- Q18.8Other specified congenital malformations of face and neck
- Q18.9Congenital malformation of face and neck, unspecified
Q18 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DQ18Andre medfødte misdannelser i ansigt og hals
Q18Muut synnynnäiset kasvojen ja kaulan epämuodostumat
Q18Sonstige angeborene Fehlbildungen des Gesichtes und des Halses
Q18Autres malformations congénitales de la face et du cou
Q18overige congenitale misvormingen van aangezicht en hals
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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