G04Non-billable (header)
Encephalitis, myelitis and encephalomyelitis
Related Codes· Inflammatory diseases of the central nervous system (G00-G09)
G00Bacterial meningitis, not elsewhere classifiedG01Meningitis in bacterial diseases classified elsewhereG02Meningitis in other infectious and parasitic diseases classi…G03Meningitis due to other and unspecified causesG05Encephalitis, myelitis and encephalomyelitis in diseases cla…G06Intracranial and intraspinal abscess and granulomaG07Intracranial and intraspinal abscess and granuloma in diseas…G08Intracranial and intraspinal phlebitis and thrombophlebitisG09Sequelae of inflammatory diseases of central nervous system
Sub-codes of G04(6)
G04 is a non-billable header. Select a sub-code to bill.
G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)HeaderG04.1Tropical spastic paraplegia✓ BillableG04.2Bacterial meningoencephalitis and meningomyelitis, not elsew…✓ BillableG04.3Acute necrotizing hemorrhagic encephalopathyHeaderG04.8Other encephalitis, myelitis and encephalomyelitisHeaderG04.9Encephalitis, myelitis and encephalomyelitis, unspecifiedHeader
✓ Includes
- •acute ascending myelitis
- •meningoencephalitis
- •meningomyelitis
✗ Excludes 1(Not coded here)
- •encephalopathy NOS (G93.40)
⚠ Excludes 2(Not included here)
- •acute transverse myelitis (G37.3)
- •alcoholic encephalopathy (G31.2)
- •multiple sclerosis (G35-)
- •myalgic encephalomyelitis (G93.32)
- •subacute necrotizing myelitis (G37.4)
- •toxic encephalitis (G92.8)
- •toxic encephalopathy (G92.8)
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G00-G09Inflammatory diseases of the central nervous system (G00-G09)├G04Encephalitis, myelitis and encephalomyelitis
└G04Encephalitis, myelitis and encephalomyelitis
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