GOLD NCIthesaurus has symptom central nervous system disease meningitis ICD10CM:G03 ICD9CM:322.9 disease_ontology NCI:C26828 DOID:9712 UMLS_CUI:C0025289 A central nervous system disease that is characterized by an inflammation of the pia-arachnoid meninges. It can be caused by growth of bacteria, fungi, or parasites within the subarachnoid space or by the growth of bacteria or viruses within the meningeal or ependymal cells. MESH:D008581 SNOMEDCT_US_2025_09_01:154983000 DOID:9471 inflammation