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M66.259

Billable

Spontaneous rupture of extensor tendons, unspecified 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 an unspecified thigh, occurring without a known injury or trauma.

Coding Tips

  • •Use only when the specific side (right or left) is not documented; query provider for clarification
  • •Thigh extensor rupture is a significant functional impairment requiring specific laterality documentation

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.25Spontaneous rupture of extensor tendons, thigh└M66.259Spontaneous rupture of extensor tendons, unspecified thigh
└M66.259Spontaneous rupture of extensor tendons, unspecified thigh

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