ICD-10-CM › Q00-QA1 › Q10-Q18 › Q18 Other congenital malformations of... › Q18.7

Q18.7

Microcheilia

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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. FY2007 Added to the draft code set draft Microcheilia

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.

Inherited from Q18 Other congenital malformations of face and neck

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)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

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