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M66.251

Billable

Spontaneous rupture of extensor tendons, right thigh

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 thigh, occurring without a known injury or trauma.

Coding Tips

  • •This code specifies the right thigh; verify right-sided involvement is documented
  • •Thigh extensor rupture affects knee extension and walking ability

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.25Spontaneous rupture of extensor tendons, thigh└M66.251Spontaneous rupture of extensor tendons, right thigh
└M66.251Spontaneous rupture of extensor tendons, right thigh

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