M21.40 - Flat foot [pes planus] (acquired), unspecified foot
- Applicable to Flat foot [pes planus] (acquired), unspecified foot
- The 2025 edition of ICD10-CM M21.40 became effective on October 1, 2024.
- This is the American ICD10-CM version of M21.40 - other international versions of ICD10 M21.40 may differ.
- M21.40 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above M21.40 contain annotation back-references that may be applicable to M21.40:
Chapter: M00-M99 Diseases of the musculoskeletal system and connective tissue
Section: M20-M25 Other joint disorders
Category: M21 Other acquired deformities of limbs
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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