Q79.9
Billable codeCongenital malformation of musculoskeletal system, unspecified
The ICD-10 code for congenital malformation of musculoskeletal system, unspecified is Q79.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Congenital anomaly of musculoskeletal system NOS
- Congenital deformity of musculoskeletal system NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q79.0Congenital diaphragmatic hernia
- Q79.1Other congenital malformations of diaphragm
- Q79.2Exomphalos
- Q79.3Gastroschisis
- Q79.4Prune belly syndrome
- Q79.5Other congenital malformations of abdominal wallnon-billable header
- Q79.6Ehlers-Danlos syndromesnon-billable header
- Q79.8Other congenital malformations of musculoskeletal system
- Q79.9Congenital malformation of musculoskeletal system, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7569Approximate match
Associated MS-DRGs
Q79.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.