M21.4 Non-Billable Code
Flat foot [pes planus] (acquired)
Chapter Classification
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Section Detail
M20-M25
Other joint disorders (M20-M25)
Code Hierarchy
This code is a child of M21.
As a non-billable code, it requires more specific digits to be used on a medical claim.
As a non-billable code, it requires more specific digits to be used on a medical claim.
Coding Guidelines & Notes
excludes1
- congenital pes planus (Q66.5-)
More Specific Diagnosis Codes
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