ICD-10-CM>G00-G99>G00-G09>G03G03Meningitis due to other and unspecified causesNon-Billable/Non-SpecificIncludesarachnoiditis NOSleptomeningitis NOSmeningitis NOSpachymeningitis NOSType 1 Excludesmeningoencephalitis (G04.-)meningomyelitis (G04.-)CodesG03.0Nonpyogenic meningitisG03.1Chronic meningitisG03.2Benign recurrent meningitis [Mollaret]G03.8Meningitis due to other specified causesG03.9Meningitis, unspecified