R90.89
R90.89: Other abnormal findings on diagnostic imaging of central nervous system
Billable / specific codeICD-10-CM
R90.89 is a billable, specific ICD-10-CM code for other abnormal findings on diagnostic imaging of central nervous system. It is valid for submission on a claim.
Check R90.89 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Other cerebrovascular abnormality found on diagnostic imaging of central nervous system
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
R90.89 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57689Billing and Coding: Lab: Flow Cytometry
Alphabetic index entries that lead here
- Abnormal, abnormality, abnormalities›diagnostic imaging›central nervous system NEC
- Abnormal, abnormality, abnormalities›diagnostic imaging›cerebrovascular NEC
Code history
Unchanged in every release from FY2024 to FY2027.