ICD-10 CM Code M21.40
M21.40
Flat foot [pes planus] (acquired), unspecified foot
Excludes Type 1
- congenital pes planus (Q66.5-)
- acquired absence of limb (Z89.-)
- congenital absence of limbs (Q71-Q73)
- congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)
Excludes Type 2
- acquired deformities of fingers or toes (M20.-)
- coxa plana (M91.2)
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