G71 – Primary disorders of muscles
ICD-10-CM 2027 diagnosis code · Diseases of myoneural junction and muscle
ICD-10-CM code
G71
- Code
G71(claims format:G71)- Description
- Primary disorders of muscles
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 6. Diseases of the nervous system (G00-G99)
- Block
- G70-G73 Diseases of myoneural junction and muscle
Billable codes under G71
G71 is a header code and cannot be used on claims. Choose the most specific code:
- G71.0 – Muscular dystrophyHeader (more codes below)
- G71.1 – Myotonic disordersHeader (more codes below)
- G71.2 – Congenital myopathiesHeader (more codes below)
- G71.3 – Mitochondrial myopathy, not elsewhere classifiedBillable
- G71.8 – Other primary disorders of musclesBillable
- G71.9 – Primary disorder of muscle, unspecifiedBillable
Notes for G71
Frequently asked questions
What is ICD-10 code G71?
G71 is the ICD-10-CM code for primary disorders of muscles, in the block G70-G73 (Diseases of myoneural junction and muscle).
Is G71 a billable code?
No. G71 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.