ICD-10 Code: M21.40 – Flat foot [pes planus] (acquired), unspecified foot
ICD-10 code M21.40 corresponds to Flat foot [pes planus] (acquired), unspecified foot. This code is classified under the chapter M21 Other acquired deformities of limbs, which is part of the M00-M25: Arthropathies category.
The parent chapter is Diseases of the musculoskeletal system and connective tissue.