R91Non-billable (header)
Abnormal findings on diagnostic imaging of lung
Code Hierarchy
┌18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)├R90-R94Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)├R91Abnormal findings on diagnostic imaging of lung
└R91Abnormal findings on diagnostic imaging of lung
Not sure between two codes?
⇄ Compare R91 with another code →