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M66.231

Billable

Spontaneous rupture of extensor tendons, right forearm

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

What This Code Means

A spontaneous breaking or tearing of the extensor tendons in the right forearm, occurring without a known injury or trauma.

Coding Tips

  • •This code specifies the right side; ensure documentation clearly indicates right forearm involvement
  • •Common in patients with rheumatoid arthritis or chronic degenerative tendon conditions

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.23Spontaneous rupture of extensor tendons, forearm└M66.231Spontaneous rupture of extensor tendons, right forearm
└M66.231Spontaneous rupture of extensor tendons, right forearm

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