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Q18

Non-billable

Other congenital malformations of face and neck

Q18 is the ICD-10-CM code for Other congenital malformations of face and neck. It is a non-billable category code — use a more specific child code such as Q18.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
10
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

What this means — in plain language

MedlinePlus · NIH

Craniofacial is a medical term that relates to the bones of the skull and face. Craniofacial abnormalities are birth defects of the face or head. Some, like cleft lip and palate , are among the most common of all birth defects. Others are very rare. Most of them affect how a person's face or head looks. These conditions may also affect other parts of the body. Treatment depends on the type of problem. Plastic and…

Read more about Craniofacial Abnormalities at MedlinePlus ↗
Neck Injuries and Disorders ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • •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] (M26.-)
  • •malformation syndromes affecting facial appearance (Q87.0)
  • •persistent thyroglossal duct (Q89.2)

Frequently asked questions

What is ICD-10 code Q18?
Q18 is the ICD-10-CM code for "Other congenital malformations of face and neck". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q18 a billable code?
No — Q18 is a non-billable header code. Use a more specific child code (such as Q18.0) for billing.
What are the subcodes of Q18?
Q18 has 10 more specific child codes, including Q18.0, Q18.1, Q18.2.
What is excluded from Q18?
Excludes1 (not coded here): 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).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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