Skip to content

M21.929

Billable

Unspecified acquired deformity of unspecified upper arm

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

What This Code Means

An acquired deformity of an unspecified upper arm where the specific type of deformity is not specified. The exact arm affected is not documented.

Coding Tips

  • Use this code only when the provider does not specify which upper arm is affected
  • Query the provider to determine laterality (right or left) when possible for more specific coding

Code Hierarchy

Open M21.929 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.