Q18Other congenital malformations of face and neck
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use Q18 directly
Use the most specific code supported by the record.
- Group Q10-Q18
- Congenital malformations of eye, ear, face and neck
- Official Vietnamese name
- Dị tật bẩm sinh khác của mặt và/hoặc cổ
- Additional WHO coding guidance
- 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)
Related Q18 codes
Q18.0
Primary diagnosis candidate
Sinus, fistula and cyst of branchial cleft
Q18.1
Primary diagnosis candidate
Preauricular sinus and cyst
Q18.2
Primary diagnosis candidate
Other branchial cleft malformations
Q18.3
Primary diagnosis candidate
Webbing of neck
Q18.4
Primary diagnosis candidate
Macrostomia
Q18.5
Primary diagnosis candidate
Microstomia
Q18.6
Primary diagnosis candidate
Macrocheilia
Q18.7
Primary diagnosis candidate
Microcheilia
Q18.8
Primary diagnosis candidate
Other specified congenital malformations of face and neck
Q18.9
Primary diagnosis candidate
Congenital malformation of face and neck, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
