M66.222
BillableSpontaneous rupture of extensor tendons, left upper arm
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 upper arm 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 of the upper arm
- •Confirm left upper arm laterality is documented in the medical record
Code Hierarchy
└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.22Spontaneous rupture of extensor tendons, upper arm└M66.222Spontaneous rupture of extensor tendons, left upper arm
└M66.222Spontaneous rupture of extensor tendons, left upper arm