Typhoid meningitis

This code represents a severe neurological complication of typhoid fever, specifically inflammation of the meninges (membranes surrounding the brain and spinal cord) caused by Salmonella Typhi. It indicates a systemic infection with central nervous system involvement.

Use this code when documentation clearly states a diagnosis of typhoid meningitis. This typically occurs in patients presenting with symptoms of meningitis (e.g., headache, stiff neck, altered mental status) in the context of confirmed or highly suspected typhoid fever. Supporting documentation should include microbiological confirmation of Salmonella Typhi or strong clinical evidence linking meningitis to typhoid.

• Always sequence the underlying typhoid fever (A01.0) as the primary diagnosis if not already established.
• Do not confuse with other forms of bacterial meningitis; ensure the causative organism is specified as Salmonella Typhi.
• Look for documentation of lumbar puncture results, blood cultures, and clinical presentation consistent with both typhoid and meningitis.