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M66.212

Billable

Spontaneous rupture of extensor tendons, left shoulder

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

What This Code Means

A tendon in the left shoulder that normally straightens or extends the arm has spontaneously torn or ruptured without an obvious injury.

Coding Tips

  • •Verify the rupture is spontaneous (not traumatic) and involves extensor tendons specifically
  • •Confirm left shoulder laterality is documented in the medical record

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.21Spontaneous rupture of extensor tendons, shoulder└M66.212Spontaneous rupture of extensor tendons, left shoulder
└M66.212Spontaneous rupture of extensor tendons, left shoulder

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