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M66.371

Billable

Spontaneous rupture of flexor tendons, right ankle and foot

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 flexor tendons in the right ankle and foot that occurs without a known injury.

Coding Tips

  • •Ensure right side is documented; use M66.372 for left ankle and foot
  • •Consider documenting which specific flexor tendon ruptured (flexor hallucis longus, flexor digitorum longus, etc.)

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.3Spontaneous rupture of flexor tendons└M66.37Spontaneous rupture of flexor tendons, ankle and foot└M66.371Spontaneous rupture of flexor tendons, right ankle and foot
└M66.371Spontaneous rupture of flexor tendons, right ankle and foot

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