A32.12 Listerial meningoencephalitis

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

Applies from A32 Listeriosis

Includes

• listerial foodborne infection

Excludes1 (never code together)

• neonatal (disseminated) listeriosis (P37.2)

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 027.0 Listeriosis (approximate)

Code annotations containing back-references to A32.12

Back-references to A32.12

• Type 1 Excludes: G05 Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere ("listerial encephalitis, myelitis and encephalomyelitis (A32.12)")

Back-references to A32

• Type 1 Excludes: A05 Other bacterial foodborne intoxications, not elsewhere classified ("listeriosis (A32.-)")

Diagnosis Index entries for A32.12

• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) › in (due to) › listeriosis
• Meningoencephalitis › Listeria monocytogenes

Nearby codes

• A32 Listeriosis
• A32.0 Cutaneous listeriosis
• A32.1 Listerial meningitis and meningoencephalitis
• A32.11 Listerial meningitis
• A32.12 Listerial meningoencephalitis (this code)
• A32.7 Listerial sepsis
• A32.8 Other forms of listeriosis
• A32.81 Oculoglandular listeriosis
• A32.82 Listerial endocarditis
• A32.89 Other forms of listeriosis