G71.11 – Myotonic muscular dystrophy

ICD-10-CM 2027 diagnosis code · Diseases of myoneural junction and muscle

Billable code

ICD-10-CM code G71.11
Code
G71.11 (claims format: G7111)
Description
Myotonic muscular dystrophy
Billable
Yes – valid for HIPAA-covered transactions
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
Parent codes
G71 › G71.1

Notes for G71.11

Applicable to:
  • Dystrophia myotonica [Steinert]
  • Myotonia atrophica
  • Myotonic dystrophy
  • Proximal myotonic myopathy (PROMM)
  • Steinert disease

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

G71 – Primary disorders of muscles

Excludes2 (not included here):
  • arthrogryposis multiplex congenita (Q74.3)
  • metabolic disorders (E70-E88)
  • myositis (M60.-)

Index terms for G71.11

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in G71.1

Frequently asked questions

What is ICD-10 code G71.11?

G71.11 is the ICD-10-CM code for myotonic muscular dystrophy, in the block G70-G73 (Diseases of myoneural junction and muscle).

Is G71.11 a billable code?

Yes. G71.11 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G71.11 belong to?

It belongs to category G71 – Primary disorders of muscles.

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.