MCMedicalCodingSoftware
Q79

Q79: Congenital malformations of musculoskeletal system, not elsewhere classified

Non-billable headerICD-10-CM

Q79 is a non-billable header ICD-10-CM code for congenital malformations of musculoskeletal system, not elsewhere classified. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • congenital (sternomastoid) torticollis (Q68.0)

Other codes that can never be billed with Q79

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • J98.6Disorders of diaphragm
  • K42Umbilical hernia
  • K44Diaphragmatic hernia
  • M24.3Pathological dislocation of joint, not elsewhere classified
  • Q40.1Congenital hiatus hernia
  • Q64.7Other and unspecified congenital malformations of bladder and urethra
  • Q82.8Other specified congenital malformations of skin
  • Q87.ALoeys-Dietz syndrome

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Q79

9 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.