2021 ICD-10-CM Code N63.3

Unspecified lump in axillary tail

Version 2021
Non-Billable Code
Unspecified Code

Not Valid for Submission

N63.3 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of unspecified lump in axillary tail. 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.

Unspecified diagnosis codes like N63.3 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:N63.3
Short Description:Unspecified lump in axillary tail
Long Description:Unspecified lump in axillary tail

Code Classification

Specific Coding for Unspecified lump in axillary tail

Header codes like N63.3 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 unspecified lump in axillary tail:

  • N63.31 - Unspecified lump in axillary tail of the right breast
  • N63.32 - Unspecified lump in axillary tail of the left breast

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