R90
Header — not billableAbnormal findings on diagnostic imaging of central nervous system
The ICD-10 code for abnormal findings on diagnostic imaging of central nervous system is R90.
R90 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- R91Abnormal findings on diagnostic imaging of lungnon-billable header
- R92Abnormal and inconclusive findings on diagnostic imaging of breastnon-billable header
- R93Abnormal findings on diagnostic imaging of other body structuresnon-billable header
- R94Abnormal results of function studiesnon-billable header
- R90Abnormal findings on diagnostic imaging of central nervous systemnon-billable header