Q66.221
ICD-10-CMThis code describes a congenital foot deformity characterized by the inward deviation of the forefoot relative to the hindfoot, specifically affecting the right foot. It is a common pediatric orthopedic condition often noted at birth or shortly thereafter, where the metatarsals are adducted.
Use this code when documentation clearly indicates a diagnosis of congenital metatarsus adductus affecting the right foot. This diagnosis is typically made through physical examination, observing the characteristic C-shaped foot and assessing forefoot flexibility. Supporting documentation should include physician notes detailing the deformity and laterality.
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