Coding and coverage · ICD-10-CM

Q75 › Q75.0

Q75.04 Lambdoid craniosynostosis

Not billable (header)Chapter 17

Report one of the more specific codes below.

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Codes under this one

  • Q75.041 Lambdoid craniosynostosis, unilateral
  • Q75.042 Lambdoid craniosynostosis, bilateral
  • Q75.049 Lambdoid craniosynostosis, unspecified

Instructional notes

Chapter 17

Excludes2Not included here: the patient may have both; report both when both are present.
  • inborn errors of metabolism (E70-E88)
Notes
  • Codes from this chapter are not for use on maternal records

Q75

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • congenital malformation of face NOS (Q18.-)
  • congenital malformation syndromes classified to Q87.-
  • dentofacial anomalies [including malocclusion] (M26.-)
  • musculoskeletal deformities of head and face (Q67.0-Q67.4)
  • skull defects associated with congenital anomalies of brain such as:
  • anencephaly (Q00.0)
  • encephalocele (Q01.-)
  • hydrocephalus (Q03.-)
  • microcephaly (Q02)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
Inclusion terms
  • Non-deformational posterior plagiocephaly

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) · Q65-Q79 Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.