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M21.831

Billable

Other specified acquired deformities of right forearm

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

What This Code Means

An acquired deformity or abnormal shape of the right forearm that developed after birth due to injury, disease, or other non-congenital causes.

Coding Tips

  • Ensure documentation specifies right forearm to justify this code selection
  • Document any functional limitations resulting from the deformity to support medical necessity

Code Hierarchy

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