2021 ICD-10-CM Code M20.02

Boutonniere deformity

Version 2021
Non-Billable Code

Not Valid for Submission

M20.02 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of boutonniere deformity. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:M20.02
Short Description:Boutonniere deformity
Long Description:Boutonniere deformity

Code Classification

Specific Coding for Boutonniere deformity

Header codes like M20.02 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for boutonniere deformity:

  • M20.021 - Boutonniere deformity of right finger(s)
  • M20.022 - Boutonniere deformity of left finger(s)
  • M20.029 - Boutonniere deformity of unspecified finger(s)

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code M20.02 are found in the index:

Information for Patients


Finger Injuries and Disorders

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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)