R90.82 White matter disease, unspecified

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 793.0 Nonspecific (abnormal) findings on radiological and other examination of skull and head (approximate)

Code annotations containing back-references to R90.82

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 R90.82

• Disease, diseased › white matter

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