2021 ICD-10-CM Code S21.052

Open bite of left breast

Version 2021
Non-Billable Code

Not Valid for Submission

S21.052 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of open bite of left breast. 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.

The ICD-10-CM code S21.052 might also be used to specify conditions or terms like injury of left breast, open bite of thorax, open wound of left breast or open wound of left breast due to bite.

ICD-10:S21.052
Short Description:Open bite of left breast
Long Description:Open bite of left breast

Code Classification

Specific Coding for Open bite of left breast

Header codes like S21.052 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 open bite of left breast:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Information for Patients


Animal Bites

Also called: Cat bites, Dog bites

Wild animals usually avoid people. They might attack, however, if they feel threatened, are sick, or are protecting their young or territory. Attacks by pets are more common. Animal bites rarely are life-threatening, but if they become infected, you can develop serious medical problems.

To prevent animal bites and complications from bites

If an animal bites you, clean the wound with soap and water as soon as possible. Get medical attention if necessary.

Centers for Disease Control and Prevention


[Learn More in MedlinePlus]

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)