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ALL MEDICAL CODES IN CATEGORY M21.0: Valgus deformity, not elsewhere classifiedM21: Other acquired deformities of limbs

2025 ICD-10-CM code M21.06

Valgus deformity of the knee, not elsewhere classified. This condition, also known as genu valgum or knock knee, involves angulation of the distal bones of the knee joint, causing the lower leg to move outward.