RxDB
ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

M21.4 – Flat foot [pes planus] (acquired)

Overview

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Type 1 Excludes

congenital pes planus (Q66.5-)

Child Codes

Flat foot [pes planus] (acquired), unspecified foot
Flat foot [pes planus] (acquired), right foot
Flat foot [pes planus] (acquired), left foot

Sibling Codes

Valgus deformity, not elsewhere classified
Varus deformity, not elsewhere classified
Flexion deformity
Wrist or foot drop (acquired)
Acquired clawhand, clubhand, clawfoot and clubfoot
Other acquired deformities of foot
Unequal limb length (acquired)
Other specified acquired deformities of limbs
Unspecified acquired deformity of limb and hand

Parent Sibling Codes

Acquired deformities of fingers and toes
Other acquired deformities of limbs
Disorder of patella
Internal derangement of knee
Other specific joint derangements
Other joint disorder, not elsewhere classified
Dentofacial anomalies [including malocclusion]
Other diseases of jaws

View in Tabular

Code Title
M00-M99 Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25 Other joint disorders (M20-M25)
M21 Other acquired deformities of limbs
M21.4 Flat foot [pes planus] (acquired)
Type 1 Excludes
congenital pes planus (Q66.5-)

M21.40 Flat foot [pes planus] (acquired), unspecified foot
M21.41 Flat foot [pes planus] (acquired), right foot
M21.42 Flat foot [pes planus] (acquired), left foot