Flat foot [pes planus] (acquired), unspecified foot
- M21.40 is a specific ICD-10-CM diagnosis code that can be used to specify a diagnosis.
- ICD-9-CM will be replaced by ICD-10-CM beginning October 1, 2014, therefore, M21.40 and all other ICD-10-CM diagnosis codes should only be used for training or planning purposes until then.
ICD-10-CM M21.40 is part of Diagnostic Related Group(s) (MS-DRG v28.0):
- 564 Other musculoskeletal sys & connective tissue diagnoses with mcc
- 565 Other musculoskeletal sys & connective tissue diagnoses with cc
- 566 Other musculoskeletal sys & connective tissue diagnoses without cc/mcc