Q79 – Congenital malformations of musculoskeletal system, not elsewhere classified
ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system
ICD-10-CM code
Q79
- Code
Q79(claims format:Q79)- Description
- Congenital malformations of musculoskeletal system, not elsewhere classified
- Short description
- Congenital malformations of musculoskeletal system, NEC
- Billable
- No – use a more specific code below
- 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
Billable codes under Q79
Q79 is a header code and cannot be used on claims. Choose the most specific code:
- Q79.0 – Congenital diaphragmatic herniaBillable
- Q79.1 – Other congenital malformations of diaphragmBillable
- Q79.2 – ExomphalosBillable
- Q79.3 – GastroschisisBillable
- Q79.4 – Prune belly syndromeBillable
- Q79.5 – Other congenital malformations of abdominal wallHeader (more codes below)
- Q79.6 – Ehlers-Danlos syndromesHeader (more codes below)
- Q79.8 – Other congenital malformations of musculoskeletal systemBillable
- Q79.9 – Congenital malformation of musculoskeletal system, unspecifiedBillable
Notes for Q79
Excludes2 (not included here):
- congenital (sternomastoid) torticollis (Q68.0)
Frequently asked questions
What is ICD-10 code Q79?
Q79 is the ICD-10-CM code for congenital malformations of musculoskeletal system, not elsewhere classified, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).
Is Q79 a billable code?
No. Q79 is a header code with more specific child codes; report one of the billable codes listed above.
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.