Q75.4 – Mandibulofacial dysostosis

ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system

Billable code

ICD-10-CM code Q75.4
Code
Q75.4 (claims format: Q754)
Description
Mandibulofacial dysostosis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Block
Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
Parent codes
Q75

Notes for Q75.4

Applicable to:
  • Franceschetti syndrome
  • Treacher Collins syndrome

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q75 – Other congenital malformations of skull and face bones

Excludes1 (not coded here):
  • 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)

Index terms for Q75.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q75

Frequently asked questions

What is ICD-10 code Q75.4?

Q75.4 is the ICD-10-CM code for mandibulofacial dysostosis, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).

Is Q75.4 a billable code?

Yes. Q75.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q75.4 belong to?

It belongs to category Q75 – Other congenital malformations of skull and face bones.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.