About Section G00-G09

Section G00-G09 covers Inflammatory diseases of the central nervous system within Chapter 6 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from G00 to G09. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 44 entries

G00Bacterial meningitis, not elsewhere classifiedNon-Billable›G00.0Hemophilus meningitisBillable›G00.1Pneumococcal meningitisBillable›G00.2Streptococcal meningitisBillable›G00.3Staphylococcal meningitisBillable›G00.8Other bacterial meningitisBillable›G00.9Bacterial meningitis, unspecifiedBillable›G01Meningitis in bacterial diseases classified elsewhereBillable›G02Meningitis in other infectious and parasitic diseases classified elsewhereBillable›G03Meningitis due to other and unspecified causesNon-Billable›G03.0Nonpyogenic meningitisBillable›G03.1Chronic meningitisBillable›G03.2Benign recurrent meningitis [Mollaret]Billable›G03.8Meningitis due to other specified causesBillable›G03.9Meningitis, unspecifiedBillable›G04Encephalitis, myelitis and encephalomyelitisNon-Billable›G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)Non-Billable›G04.00Acute disseminated encephalitis and encephalomyelitis, unspecifiedBillable›G04.01Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)Billable›G04.02Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitisBillable›G04.1Tropical spastic paraplegiaBillable›G04.2Bacterial meningoencephalitis and meningomyelitis, not elsewhere classifiedBillable›G04.3Acute necrotizing hemorrhagic encephalopathyNon-Billable›G04.30Acute necrotizing hemorrhagic encephalopathy, unspecifiedBillable›G04.31Postinfectious acute necrotizing hemorrhagic encephalopathyBillable›G04.32Postimmunization acute necrotizing hemorrhagic encephalopathyBillable›G04.39Other acute necrotizing hemorrhagic encephalopathyBillable›G04.8Other encephalitis, myelitis and encephalomyelitisNon-Billable›G04.81Other encephalitis and encephalomyelitisBillable›G04.82Acute flaccid myelitisBillable›G04.89Other myelitisBillable›G04.9Encephalitis, myelitis and encephalomyelitis, unspecifiedNon-Billable›G04.90Encephalitis and encephalomyelitis, unspecifiedBillable›G04.91Myelitis, unspecifiedBillable›G05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhereNon-Billable›G05.3Encephalitis and encephalomyelitis in diseases classified elsewhereBillable›G05.4Myelitis in diseases classified elsewhereBillable›G06Intracranial and intraspinal abscess and granulomaNon-Billable›G06.0Intracranial abscess and granulomaBillable›G06.1Intraspinal abscess and granulomaBillable›G06.2Extradural and subdural abscess, unspecifiedBillable›G07Intracranial and intraspinal abscess and granuloma in diseases classified elsewhereBillable›G08Intracranial and intraspinal phlebitis and thrombophlebitisBillable›G09Sequelae of inflammatory diseases of central nervous systemBillable›