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M99.9

Billable

Biomechanical lesion, unspecified

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

What This Code Means

A structural or mechanical problem affecting the body's movement and function, but the specific location or type is not documented.

Coding Tips

  • Avoid using this code when more specific M99 codes are available; query provider for anatomical location
  • This is a last-resort code; strive for greater specificity using M99.0-M99.89

Code Hierarchy

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