Acquired clawfoot, right foot

This code signifies a deformity of the right foot where the toes are hyperextended at the metatarsophalangeal joint and flexed at the interphalangeal joints, resembling a claw. This condition is not present at birth but develops over time due to various underlying causes.

Apply this code when documentation specifies an acquired clawfoot deformity affecting the patient's right foot. Supporting documentation should clearly indicate the laterality and the non-congenital nature of the deformity.

• Ensure documentation specifies "acquired" to differentiate from congenital deformities.
• Verify laterality; use M21.532 for the left foot and M21.539 for unspecified foot.
• Code any underlying neurological or musculoskeletal conditions contributing to the clawfoot deformity as primary diagnoses if applicable.