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M66.249

Billable

Spontaneous rupture of extensor tendons, unspecified hand

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 hand, occurring without a known injury or trauma.

Coding Tips

  • •Use only when laterality cannot be determined; attempt to clarify with provider documentation
  • •Hand tendons are critical for functional activities; specify side when possible

Code Hierarchy

└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.24Spontaneous rupture of extensor tendons, hand└M66.249Spontaneous rupture of extensor tendons, unspecified hand
└M66.249Spontaneous rupture of extensor tendons, unspecified hand

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