A01.01 Typhoid meningitis

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

Applies from A01.0 Typhoid fever

Applicable to

• Infection due to Salmonella typhi

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 002.0 Typhoid fever (approximate)

Code annotations containing back-references to A01.01

Back-references to A01

• Code First: M49 Spondylopathies in diseases classified elsewhere ("enterobacterial infections (A01-A04)")
• Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("infectious neonatal diarrhea (A00-A09)")

Diagnosis Index entries for A01.01

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › typhoid (abortive) (hemorrhagic) (intermittent) (malignant) › complicated by › meningitis
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › typhoid fever
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › typhoid
• Typhoid (abortive) (ambulant) (any site) (clinical) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic) (Widal negative) › meningitis

Nearby codes

• A01 Typhoid and paratyphoid fevers
• A01.0 Typhoid fever
• A01.00 Typhoid fever, unspecified
• A01.01 Typhoid meningitis (this code)
• A01.02 Typhoid fever with heart involvement
• A01.03 Typhoid pneumonia
• A01.04 Typhoid arthritis
• A01.05 Typhoid osteomyelitis
• A01.09 Typhoid fever with other complications