Skip to content

M67.221

Billable

Synovial hypertrophy, not elsewhere classified, right upper arm

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

What This Code Means

Abnormal thickening of the synovial membrane in the right upper arm.

Coding Tips

  • Upper arm includes the shoulder joint and surrounding structures
  • Confirm right side is documented to avoid coding errors

Code Hierarchy

Open M67.221 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.