Q18.9 ICD-10-CA code: Congenital malformation of face and neck, unspecified
Q18.9 is the ICD-10-CA code for “Congenital malformation of face and neck, unspecified” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q18.9Congenital malformation of face and neck, unspecified
Short description: Congenital malformation face & neck NOS
ICD-10-CA · Canada · Also written Q189
Index terms
Entries in CIHI’s alphabetical index that lead to Q18.9. Searching the index by the condition the note names is how coders reach this code.
- Deformity, chin (acquired), congenital
- Deformity, face (acquired), congenital
- Deformity, neck (acquired), congenital
- Deformity, cheek (acquired), congenital
- Anomaly, anomalous (congenital) (unspecified type), chin
- Anomaly, anomalous (congenital) (unspecified type), face
- Anomaly, anomalous (congenital) (unspecified type), cheek
- Anomaly, anomalous (congenital) (unspecified type), neck (any part)
Notes for Q18.9
As CIHI prints them, with any note Q18.9 takes from the headings above it.
Includes
- Congenital anomaly NOS of face and neck
Excludes
Conditions classified elsewhere.
- Cleft lip and cleft palate (Q35-Q37)conditions classified to Q67.0-Q67.4congenital 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)From Q18 Other congenital malformations of face and neck
- Cleft lip and cleft palate (Q35-Q37)congenital malformation of:• cervical spine (Q05.0,Q05.5,Q67.5,Q76.0-Q76.4)• larynx (Q31.-)• lip NEC (Q38.0)• nose (Q30.-)• parathyroid gland (Q89.2)• thyroid gland (Q89.2)From Q10-Q18 Congenital malformations of eye, ear, face and neck
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q18.9 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q10-Q18Congenital malformations of eye, ear, face and neck
- 3Category Q18Other congenital malformations of face and neck
- 4Valid code Q18.9Congenital malformation of face and neck, unspecified
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code Q18.9 mean?
Q18.9 is the ICD-10-CA code for “Congenital malformation of face and neck, unspecified” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q18.9 in ICD-10-CA?
Q18.9 sits under Q18 Other congenital malformations of face and neck, within Q10-Q18 Congenital malformations of eye, ear, face and neck, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q18.9?
ICD-10-CA lists Includes, Excludes notes for Q18.9, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.