G71.21
G71.21: Nemaline myopathy
Billable / specific codeICD-10-CM
G71.21 is a billable, specific ICD-10-CM code for nemaline myopathy. It is valid for submission on a claim.
Check G71.21 with the rest of the claim: free scrubberExcludes2 inherited from the categories above G71.21
Not part of this code, but both may be coded when both are present.
Risk adjustment
G71.21 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
G71.21 is named in 15 Medicare coverage policies: 15 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
- A53052Billing and Coding: Home Health Speech-Language Pathology
- A53057Billing and Coding: Home Health Occupational Therapy
Alphabetic index entries that lead here
- Disease, diseased›nemaline body
- Disease, diseased›rod body
- Myopathy›nemaline
- Myopathy›rod(body)
Code history
Unchanged in every release from FY2024 to FY2027.