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G71.13

Billable

Myotonic chondrodystrophy

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

What This Code Means

A rare inherited disorder combining myotonia (muscle stiffness) with skeletal and bone abnormalities, present from birth.

Coding Tips

  • •This code requires documentation of both myotonic symptoms AND chondrodystrophic features to justify its use
  • •Coordinate with orthopedic documentation to capture the skeletal manifestations for complete clinical picture

Code Hierarchy

└G71Primary disorders of muscles└G71.1Myotonic disorders└G71.13Myotonic chondrodystrophy
└G71.13Myotonic chondrodystrophy

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