G71.9

G71.9: Primary disorder of muscle, unspecified

Billable / specific codeICD-10-CM

G71.9 is a billable, specific ICD-10-CM code for primary disorder of muscle, unspecified. It is valid for submission on a claim.

Check G71.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Hereditary myopathy NOS

Excludes2 inherited from the categories above G71.9

Not part of this code, but both may be coded when both are present.

Written on G71: Primary disorders of muscles

arthrogryposis multiplex congenita (Q74.3)
metabolic disorders (E70-E88)
myositis (M60.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G71.9 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A54095Billing and Coding: Nerve Conduction Studies and Electromyography
A56619Billing and Coding: Nerve Conduction Studies and Electromyography
A57123Billing and Coding: Nerve Conduction Studies and Electromyography
A57668Billing and Coding: Nerve Conduction Studies and Electromyography

Alphabetic index entries that lead here

Myopathy›hereditary
Myopathy›primary
Disorder›neuromuscular›hereditary NEC

Code history

Unchanged in every release from FY2024 to FY2027.