2021 ICD-10-CM Code R91

Abnormal findings on diagnostic imaging of lung

Version 2021
Non-Billable Code
No Valid Principal Dx

Not Valid for Submission

R91 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of abnormal findings on diagnostic imaging of lung. 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:R91
Short Description:Abnormal findings on diagnostic imaging of lung
Long Description:Abnormal findings on diagnostic imaging of lung

Code Classification

Specific Coding for Abnormal findings on diagnostic imaging of lung

Header codes like R91 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 abnormal findings on diagnostic imaging of lung:

  • R91.1 - Solitary pulmonary nodule
  • R91.8 - Other nonspecific abnormal finding of lung field

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)