R90.0 Intracranial space-occupying lesion found on diagnostic imaging of central nervous system

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 784.2 Swelling, mass, or lump in head and neck (approximate)

Code annotations containing back-references to R90.0

Back-references to R90.0

• Type 1 Excludes: R93.0 Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified ("intracranial space-occupying lesion found on diagnostic imaging (R90.0)")

Back-references to R90

• Type 1 Excludes: R22 Localized swelling, mass and lump of skin and subcutaneous tissue ("abnormal findings on diagnostic imaging (R90-R93)")

Diagnosis Index entries for R90.0

• Lesion (s) (nontraumatic) › intracranial, space-occupying

Nearby codes

• R90 Abnormal findings on diagnostic imaging of central nervous system
• R90.0 Intracranial space-occupying lesion found on diagnostic imaging of central nervous system (this code)
• R90.8 Other abnormal findings on diagnostic imaging of central nervous system
• R90.81 Abnormal echoencephalogram
• R90.82 White matter disease, unspecified
• R90.89 Other abnormal findings on diagnostic imaging of central nervous system