Spontaneous rupture of extensor tendons, multiple sites

This code signifies the non-traumatic tearing or breaking of extensor tendons in more than one anatomical location. This condition typically results from underlying degenerative processes, inflammatory conditions, or chronic overuse rather than an acute injury.

Apply this code when documentation clearly indicates spontaneous (non-traumatic) rupture of extensor tendons affecting multiple distinct sites, such as the hand and wrist, or multiple fingers. Supporting documentation should specify the lack of an acute external force or injury causing the rupture.

• Ensure documentation specifies "spontaneous" and "multiple sites" for extensor tendons.
• Distinguish from traumatic ruptures, which would be coded differently based on the specific injury.
• Do not use if only one site is affected; specific codes for single-site spontaneous extensor tendon ruptures exist.