B01.0 Varicella meningitis

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

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 052.7 Chickenpox with other specified complications (approximate)

Code annotations containing back-references to B01.0

Back-references to B01.0

• Type 1 Excludes: G02 Meningitis in other infectious and parasitic diseases classified elsewhere ("varicella [chickenpox] meningitis (B01.0)")

Back-references to B01

• Type 2 Excludes: B10 Other human herpesviruses ("human herpesvirus 3 (B01.-, B02.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("varicella (B01.-)")
• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")

Diagnosis Index entries for B01.0

• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › chickenpox
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › varicella
• Varicella › with › meningitis

Nearby codes

• B01 Varicella [chickenpox]
• B01.0 Varicella meningitis (this code)
• B01.1 Varicella encephalitis, myelitis and encephalomyelitis
• B01.11 Varicella encephalitis and encephalomyelitis
• B01.12 Varicella myelitis
• B01.2 Varicella pneumonia
• B01.8 Varicella with other complications