B06.01 Rubella encephalitis

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

• Rubella meningoencephalitis

Applies from B06 Rubella [German measles]

Excludes1 (never code together)

• congenital rubella (P35.0)

MS-DRG index

Defines the logic of DRG(s) 097-099 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 056.01 Encephalomyelitis due to rubella

Code annotations containing back-references to B06.01

Back-references to B06.01

• Type 1 Excludes: G05 Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere ("rubella encephalitis, myelitis and encephalomyelitis (B06.01)")

Back-references to B06.0

• Type 1 Excludes: G99.8 Other specified disorders of nervous system in diseases classified elsewhere ("rubella (B06.0-)")

Back-references to B06

• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")

Diagnosis Index entries for B06.01

• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) › in (due to) › rubella
• Encephalomyelitis › rubella

Nearby codes

• B06 Rubella [German measles]
• B06.0 Rubella with neurological complications
• B06.00 Rubella with neurological complication, unspecified
• B06.01 Rubella encephalitis (this code)
• B06.02 Rubella meningitis
• B06.09 Other neurological complications of rubella
• B06.8 Rubella with other complications
• B06.81 Rubella pneumonia
• B06.82 Rubella arthritis