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M66.312

Billable

Spontaneous rupture of flexor tendons, left shoulder

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

What This Code Means

The flexor tendons in the left shoulder spontaneously tear or rupture without a specific injury or trauma.

Coding Tips

  • •Verify laterality is documented as left shoulder in the medical record before assigning this code
  • •Investigate underlying conditions like rheumatoid arthritis or chronic steroid use that may predispose to spontaneous rupture

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.3Spontaneous rupture of flexor tendons└M66.31Spontaneous rupture of flexor tendons, shoulder└M66.312Spontaneous rupture of flexor tendons, left shoulder
└M66.312Spontaneous rupture of flexor tendons, left shoulder

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