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M66.861

Billable

Spontaneous rupture of other tendons, right lower leg

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

What This Code Means

A tendon in the right lower leg (calf or shin area) suddenly tears or breaks on its own without a specific injury.

Coding Tips

  • •Achilles tendon ruptures are common in this location; document if this specific tendon is involved
  • •Note any associated pain, swelling, or difficulty walking that accompanies the rupture

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.8Spontaneous rupture of other tendons└M66.86Spontaneous rupture of other tendons, lower leg└M66.861Spontaneous rupture of other tendons, right lower leg
└M66.861Spontaneous rupture of other tendons, right lower leg

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