Skip to content

M66.339

Billable

Spontaneous rupture of flexor tendons, unspecified forearm

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

What This Code Means

The flexor tendons in the forearm spontaneously tear or rupture, but the specific side (left or right) is not documented or specified.

Coding Tips

  • Attempt to obtain clarification from the provider regarding which forearm is affected
  • This code should be used only when laterality cannot be determined from available documentation

Code Hierarchy

Open M66.339 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.