M21.929
BillableUnspecified acquired deformity of unspecified 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 an unspecified upper arm where the specific type of deformity is not specified. The exact arm affected is not documented.
Coding Tips
- •Use this code only when the provider does not specify which upper arm is affected
- •Query the provider to determine laterality (right or left) when possible for more specific coding
Code Hierarchy
└M21Other acquired deformities of limbs└M21.9Unspecified acquired deformity of limb and hand└M21.92Unspecified acquired deformity of upper arm└M21.929Unspecified acquired deformity of unspecified upper arm
└M21.929Unspecified acquired deformity of unspecified upper arm