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G71.19

Billable

Other specified myotonic disorders

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Muscle stiffness and delayed relaxation disorders that do not fit into other defined myotonic conditions.

Coding Tips

  • •Use this code only after excluding myotonic dystrophy, myotonia congenita, and drug-induced causes
  • •Document the specific clinical features and any genetic testing results to support the diagnosis

Code Hierarchy

└G71Primary disorders of muscles└G71.1Myotonic disorders└G71.19Other specified myotonic disorders
└G71.19Other specified myotonic disorders

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