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M21.821

Billable

Other specified acquired deformities 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 or abnormal shape of the right upper arm that developed after birth due to injury, disease, or other non-congenital causes.

Coding Tips

  • •Specify laterality as right; if left or bilateral, use the appropriate code variant
  • •Link to the underlying cause (fracture sequela, nerve injury, muscle disease) when available for complete clinical documentation

Code Hierarchy

└M21Other acquired deformities of limbs└M21.8Other specified acquired deformities of limbs└M21.82Other specified acquired deformities of upper arm└M21.821Other specified acquired deformities of right upper arm
└M21.821Other specified acquired deformities of right upper arm

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