R91
R91: Abnormal findings on diagnostic imaging of lung
Non-billable headerICD-10-CM
R91 is a non-billable header ICD-10-CM code for abnormal findings on diagnostic imaging of lung. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead R91
2 child codes. Green means billable.