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G73.7

Billable

Myopathy in diseases classified elsewhere

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

What This Code Means

Muscle weakness or disease that develops as a result of another medical condition classified elsewhere in the ICD-10 system.

Coding Tips

  • Always code the underlying disease first, then use G73.7 as a secondary code to indicate the myopathy is a manifestation of that disease
  • Common underlying conditions include endocrine disorders, infections, and systemic diseases

Excludes 1 — Do NOT code together

Code First

  • underlying disease, such as:
  • glycogen storage disease (E74.0-)
  • hyperparathyroidism (E21.0, E21.3)
  • hypoparathyroidism (E20.-)
  • lipid storage disorders (E75.-)

Code Hierarchy

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