Alphabetic Index FY2027

Q75.04

Lambdoid craniosynostosis

FY2027Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders/Q65–Q79 Congenital malformations and deformations of the musculoskeletal system

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

Q75.04 is a non-billable ICD-10-CM code header for lambdoid craniosynostosis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q75.041 Lambdoid craniosynostosis, unilateral; Q75.042 Lambdoid craniosynostosis, bilateral and Q75.049 Lambdoid craniosynostosis, unspecified. Its coding notes include 10 Excludes1 entries and 1 Excludes2 entry.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.

Guidelines I.C.17Congenital malformations and genetic disordersRead the official text

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
Inherited from Q75 Other congenital malformations of skull and face bones
  • 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:

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (1 note)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • inborn errors of metabolism (E70-E88)

Inclusion terms

Conditions classified to this code.

This code
  • Non-deformational posterior plagiocephaly

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • Codes from this chapter are not for use on maternal records

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry

More specific codes under Q75.04 3