G71.11 Myotonic muscular dystrophy
The ICD-10-CM code for Myotonic muscular dystrophy is G71.11 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- G70-G73: Diseases of myoneural junction and muscle (G70-G73)
- Category G71
- 35 codes (28 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to G71.11:
- Steinert's disease
- Curschmann (-Batten) (-Steinert) disease or syndrome
- Batten-Steinert syndrome
- Disease, diseased › Batten-Steinert
- Disease, diseased › Steinert's
- Disease, diseased › Curschmann
- Atrophy, atrophic (of) › myotonia
- Dystrophy, dystrophia › myotonic, myotonica
Inclusion Terms
- Dystrophia myotonica [Steinert]
- Myotonia atrophica
- Myotonic dystrophy
- Proximal myotonic myopathy (PROMM)
- Steinert disease
U.S. Hospital Utilization
- An estimated 4,205 U.S. inpatient stays in 2023 included G71.11 among the documented diagnoses.
- 120 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Dominant/nondominant side (TOC entry)a. Dominant/nondominant side ................................................................................................. 45
Pain - Category G89 (TOC entry)b. Pain - Category G89.............................................................................................................. 45
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026