M21.931
ICD-10-CMThis code signifies an acquired, non-congenital structural abnormality or malformation of the right forearm for which the specific nature of the deformity is not documented. It indicates a deviation from the normal anatomical form of the forearm that developed after birth.
Use this code when documentation clearly states an acquired deformity of the right forearm but lacks further specificity regarding its type (e.g., "acquired deformity of right forearm"). This code is appropriate when the physician's notes do not provide details such as angulation, rotation, or other specific morphological changes.
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