ICD-10-CM › Q00-QA1 › Q10-Q18 › Q codes › Q18

Q18

Other congenital malformations of face and neck

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 10 more specific codes instead:

  • Q18.0 Sinus, fistula and cyst of branchial cleft
  • Q18.1 Preauricular sinus and cyst
  • Q18.2 Other branchial cleft malformations
  • Q18.3 Webbing of neck
  • Q18.4 Macrostomia
  • Q18.5 Microstomia
  • Q18.6 Macrocheilia
  • Q18.7 Microcheilia
  • Q18.8 Other specified congenital malformations of face and neck
  • Q18.9 Congenital malformation of face and neck, unspecified

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Other congenital malformations of face and neck

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Excludes1 - never 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)

Inherited from the Q10-Q18 section Congenital malformations of eye, ear, face and neck (Q10-Q18)

Excludes2 - not included here

  • congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)
  • congenital malformation of larynx (Q31.-)
  • congenital malformation of lip NEC (Q38.0)
  • congenital malformation of nose (Q30.-)
  • congenital malformation of parathyroid gland (Q89.2)
  • congenital malformation of thyroid gland (Q89.2)