R90.8
⚠ Non-billable
Other abnormal findings on diagnostic imaging of central nervous system
ICD-10-CM · FY2026 · Symptoms, Signs and Abnormal Clinical and Laboratory Findings
Code
R90.8
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Symptoms, Signs and Abnormal Clinical and Laboratory Findings
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code R90.8?
ICD-10-CM code R90.8 represents Other abnormal findings on diagnostic imaging of central nervous system. It is a non-billable header code requiring a more specific subcategory in the Symptoms, Signs and Abnormal Clinical and Laboratory Findings chapter, effective October 1, 2025 – September 30, 2026.
Is R90.8 billable?
No. R90.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is R90.8 in?
R90.8 belongs to the Symptoms, Signs and Abnormal Clinical and Laboratory Findings chapter (R00–R99) of ICD-10-CM.
Related codes in the R90 category
R90
Abnormal findings on diagnostic imaging of central nervous system
Non-billable
R90.0
Intracranial space-occupying lesion found on diagnostic imaging of central nervous system
Billable
R90.81
Abnormal echoencephalogram
Billable
R90.82
White matter disease, unspecified
Billable
R90.89
Other abnormal findings on diagnostic imaging of central nervous system
Billable
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