M21.921
BillableUnspecified acquired deformity of right upper arm
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
An acquired deformity of the right upper arm where the specific type of deformity is not specified. The arm's shape has changed from its normal form due to acquired causes.
Coding Tips
- •This code indicates the location but not the specific deformity type; review documentation for more detail
- •Confirm right upper arm is the correct site; if unspecified, use M21.90 instead
Code Hierarchy
└M21Other acquired deformities of limbs└M21.9Unspecified acquired deformity of limb and hand└M21.92Unspecified acquired deformity of upper arm└M21.921Unspecified acquired deformity of right upper arm
└M21.921Unspecified acquired deformity of right upper arm