M66.331
BillableSpontaneous rupture of flexor tendons, right forearm
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 right forearm spontaneously tear or rupture without a specific injury or trauma.
Coding Tips
- •Verify the rupture is in the forearm region and not in the hand or upper arm
- •Document impact on hand grip strength and finger flexion ability for clinical assessment
Code Hierarchy
└M66Spontaneous rupture of synovium and tendon└M66.3Spontaneous rupture of flexor tendons└M66.33Spontaneous rupture of flexor tendons, forearm└M66.331Spontaneous rupture of flexor tendons, right forearm
└M66.331Spontaneous rupture of flexor tendons, right forearm