B26.1 Mumps meningitis

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

Applies from B26 Mumps

Includes

• epidemic parotitis
• infectious parotitis

MS-DRG index

Defines the logic of DRG(s) 023-024 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 072.1 Mumps meningitis

Code annotations containing back-references to B26.1

Back-references to B26.1

• Type 1 Excludes: A87 Viral meningitis ("meningitis due to mumps virus (B26.1)")
• Type 1 Excludes: G02 Meningitis in other infectious and parasitic diseases classified elsewhere ("mumps meningitis (B26.1)")

Back-references to B26

• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")
• Type 1 Excludes: K11.2 Sialoadenitis ("epidemic parotitis (B26.-)")
• Type 1 Excludes: K11.2 Sialoadenitis ("mumps (B26.-)")

Diagnosis Index entries for B26.1

• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › mumps (virus)
• Mumps › meningitis (aseptic)

Nearby codes

• B26 Mumps
• B26.0 Mumps orchitis
• B26.1 Mumps meningitis (this code)
• B26.2 Mumps encephalitis
• B26.3 Mumps pancreatitis
• B26.8 Mumps with other complications
• B26.81 Mumps hepatitis
• B26.82 Mumps myocarditis