Q79Header code — not billable
Congenital malformations of musculoskeletal system, not elsewhere classified
Short description: Congenital malformations of musculoskeletal system, NEC
- Chapter
- 17. Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q79
- Effective date
- October 1, 2026
Related codes in category Q79
Q79.0Congenital diaphragmatic herniaYesQ79.1Other congenital malformations of diaphragmYesQ79.2ExomphalosYesQ79.3GastroschisisYesQ79.4Prune belly syndromeYesQ79.5Other congenital malformations of abdominal wallQ79.51Congenital hernia of bladderYesQ79.59Other congenital malformations of abdominal wallYesQ79.6Ehlers-Danlos syndromesQ79.60Ehlers-Danlos syndrome, unspecifiedYesQ79.61Classical Ehlers-Danlos syndromeYesQ79.62Hypermobile Ehlers-Danlos syndromeYes
Frequently asked questions
What is ICD-10 code Q79?
Q79 is an ICD-10-CM diagnosis code for Congenital malformations of musculoskeletal system, not elsewhere classified.
Is Q79 a billable code?
No. Q79 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is Q79 in?
Q79 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.
When did Q79 become effective?
Q79 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Q79?
Q79 belongs to category Q79, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.