G71.11: Myotonic muscular dystrophy
G71.11 is a billable, specific ICD-10-CM code for myotonic muscular dystrophy. It is valid for submission on a claim.
Check G71.11 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Dystrophia myotonica [Steinert]
- Myotonia atrophica
- Myotonic dystrophy
- Proximal myotonic myopathy (PROMM)
- Steinert disease
Other codes that can never be billed with G71.11
Their own Excludes1 notes name this code, so the conflict is not listed above.
- E31Polyglandular dysfunction
Risk adjustment
G71.11 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 197 Muscular Dystrophy0.426 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
G71.11 is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52494High Frequency Chest Wall Oscillation Devices - Policy Article
- A52510Mechanical In-exsufflation Devices - Policy Article
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A53052Billing and Coding: Home Health Speech-Language Pathology
Alphabetic index entries that lead here
- Batten-Steinert syndrome
- Curschmann disease or syndrome(-Batten) (-Steinert)
- Steinert's disease
- Atrophy, atrophic›myotonia
- Disease, diseased›Batten-Steinert
- Disease, diseased›Curschmann
- Disease, diseased›Steinert's
- Dystrophy, dystrophia›myotonic, myotonica
- Myopathy›mytonic, proximal(PROMM)
- Myopathy›proximal myotonic(PROMM)
- Myotonia›atrophica
- Myotonia›dystrophica
Code history
Unchanged in every release from FY2024 to FY2027.