Flatfeet ICD 10 Code

M21.42 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

  • Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
  • This is the American ICD-10-CM version of M21.42. Other international ICD-10 versions may differ.

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