Q18.9
Congenital malformation of face and neck, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 9 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 14 never code together
Q18code
Excludes1
- cleft lip and cleft palate (Q35-Q37)Q35-Q37
- conditions classified to Q67.0-Q67.4Q67.0-Q67.4
- congenital malformations of skull and face bones (Q75.-)Q75.-
- cyclopia (Q87.0)Q87.0
- dentofacial anomalies [including malocclusion] (M26.-)M26.-
- malformation syndromes affecting facial appearance (Q87.0)Q87.0
- persistent thyroglossal duct (Q89.2)Q89.2
Q10-Q18block
Excludes2
- cleft lip and cleft palate (Q35-Q37)Q35-Q37
- congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)Q05.0Q05.5Q67.5Q76.0-Q76.4
- congenital malformation of larynx (Q31.-)Q31.-
- congenital malformation of lip NEC (Q38.0)Q38.0
- congenital malformation of nose (Q30.-)Q30.-
- congenital malformation of parathyroid gland (Q89.2)Q89.2
- congenital malformation of thyroid gland (Q89.2)Q89.2
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
Q18.9code
Inclusion terms
- Congenital anomaly NOS of face and neck
Index entries leading here 2
Alongside this code 9 same parent — Q18
Medications 2
692 Congenital, Hereditary, and Neonatal Diseases and Abnormalities drugs 55 Head and Neck Neoplasms drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.