G00-G09 Inflammatory diseases of the central nervous system

 
Chapter VI

Diseases of the nervous system
(G00-G99)

Inflammatory diseases of the central nervous system
(G00-G09)

G00		Bacterial meningitis, not elsewhere classified Latin: Meningitis bacterialis
		Includes:	arachnoiditis leptomeningitis meningitis pachymeningitis			} } } }	bacterial
		Excludes:	bacterial: · meningoencephalitis (G04.2) · meningomyelitis (G04.2)
G00.0		Haemophilus meningitis Latin: Meningitis haemophilosa
		Meningitis due to Haemophilus influenzae
G00.1		Pneumococcal meningitis Latin: Meningitis pneumococcica
G00.2		Streptococcal meningitis Latin: Meningitis streptococcica
G00.3		Staphylococcal meningitis Latin: Meningitis staphylococcica
G00.8		Other bacterial meningitis Latin: Meningitis bacterialis alia
		Meningitis due to: · Escherichia coli · Friedländer bacillus · Klebsiella
G00.9		Bacterial meningitis, unspecified Latin: Meningitis bacterialis, non specificata
		Meningitis: · purulent NOS · pyogenic NOS · suppurative NOS

G01*		Meningitis in bacterial diseases classified elsewhere Latin: Meningitis in morbis bacterialibus aliis
		Meningitis (in): · anthrax (A22.8+) · gonococcal (A54.8+) · leptospirosis (A27.-+) · listerial (A32.1+) · Lyme disease (A69.2+) · meningococcal (A39.0+) · neurosyphilis (A52.1+) · salmonella infection (A02.2+) · syphilis:   · congenital (A50.4+)   · secondary (A51.4+) · tuberculous (A17.0+) · typhoid fever (A01.0+)
		Excludes:	meningoencephalitis and meningomyelitis in bacterial diseases classified elsewhere (G05.0*)

G02*		Meningitis in other infectious and parasitic diseases classified elsewhere Latin: Meningitis in morbis infectivis, et morbis parasitariis aliis
		Excludes:	meningoencephalitis and meningomyelitis in other infectious and parasitic diseases classified elsewhere (G05.1-G05.2*)
G02.0*		Meningitis in viral diseases classified elsewhere Latin: Meningitis in morbis viralibus aliis
		Meningitis (due to): · adenoviral (A87.1+) · enteroviral (A87.0+) · herpesviral [herpes simplex] (B00.3+) · infectious mononucleosis (B27.-+) · measles (B05.1+) · mumps (B26.1+) · rubella (B06.0+) · varicella [chickenpox] (B01.0+) · zoster (B02.1+)
G02.1*		Meningitis in mycoses Latin: Meningitis mycotica
		Meningitis (in): · candidal (B37.5+) · coccidioidomycosis (B38.4+) · cryptococcal (B45.1+)
G02.8*		Meningitis in other specified infectious and parasitic diseases classified elsewhere Latin: Meningitis in morbis infectivis et morbis parasitariis, specificatis aliis
		Meningitis due to: · African trypanosomiasis (B56.-+) · Chagas' disease (chronic) (B57.4+)

G03		Meningitis due to other and unspecified causes Latin: Meningitis propter causas alias
		Includes:	arachnoiditis leptomeningitis meningitis pachymeningitis			} } } }	due to other and unspecified causes
		Excludes:	meningoencephalitis (G04.-) meningomyelitis (G04.-)
G03.0		Nonpyogenic meningitis Latin: Meningitis non pyogenes
		Nonbacterial meningitis
G03.1		Chronic meningitis Latin: Meningitis chronica
G03.2		Benign recurrent meningitis [Mollaret] Latin: Meningitis benigna recidivans (Mollaret)
G03.8		Meningitis due to other specified causes Latin: Meningitis propter causas specificatas, alias
G03.9		Meningitis, unspecified Latin: Meningitis, non specificata
		Arachnoiditis (spinal) NOS

G04		Encephalitis, myelitis and encephalomyelitis Latin: Encephalitis, myelitis et encephalomyelitis
		Includes:	acute ascending myelitis meningoencephalitis meningomyelitis
		Excludes:	benign myalgic encephalomyelitis (G93.3) encephalopathy: · NOS (G93.4) · alcoholic (G31.2) · toxic (G92) multiple sclerosis (G35) myelitis: · acute transverse (G37.3) · subacute necrotizing (G37.4)
G04.0		Acute disseminated encephalitis Latin: Encephalitis disseminata acuta
		Encephalitis Encephalomyelitis				} }	postimmunization
		Use additional external cause code (Chapter XX), if desired, to identify vaccine.
G04.1		Tropical spastic paraplegia Latin: Paraplegia spastica tropica
G04.2		Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified Latin: Meningoencephalitis et meningomyelitis bacterialis
G04.8		Other encephalitis, myelitis and encephalomyelitis Latin: Encephalitis, myelitis et encephalomyelitis alia
		Postinfectious encephalitis and encephalomyelitis NOS
G04.9		Encephalitis, myelitis and encephalomyelitis, unspecified Latin: Encephalitis, myelitis et encephalomyelitis, non specificata
		Ventriculitis (cerebral) NOS

Encephalitis, myelitis and encephalomyelitis in bacterial diseases classified elsewhere
Latin: Encephalitis, myelitis et encephalomyelitis in morbis bacterialibus aliis

G05*		Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere Latin: Encephalitis, myelitis et encephalomyelitis in morbis aliis
		Includes:	meningoencephalitis and meningomyelitis in diseases classified elsewhere
G05.0*
		Encephalitis, myelitis or encephalomyelitis (in): · listerial (A32.1+) · meningococcal (A39.8+) · syphilis:   · congenital (A50.4+)   · late (A52.1+) · tuberculous (A17.8+)
G05.1*		Encephalitis, myelitis and encephalomyelitis in viral diseases classified elsewhere Latin: Encephalitis, myelitis et encephalomyelitis in morbis viralibus aliis
		Encephalitis, myelitis or encephalomyelitis (in): · adenoviral (A85.1+) · cytomegaloviral (B25.8+) · enteroviral (A85.0+) · herpesviral [herpes simplex] (B00.4+) · influenza (J09+, J10.8+, J11.8+) · measles (B05.0+) · mumps (B26.2+) · postchickenpox (B01.1+) · rubella (B06.0+) · zoster (B02.0+)
G05.2*		Encephalitis, myelitis and encephalomyelitis in other infectious and parasitic diseases classified elsewhere Latin: Encephalitis, myelitis et encephalomyelitis in morbis infectivis et parasitariis aliis
		Encephalitis, myelitis or encephalomyelitis in: · African trypanosomiasis (B56.-+) · Chagas' disease (chronic) (B57.4+) · naegleriasis (B60.2+) · toxoplasmosis (B58.2+) Eosinophilic meningoencephalitis (B83.2+)
G05.8*		Encephalitis, myelitis and encephalomyelitis in other diseases classified elsewhere Latin: Encephalitis, myelitis et encephalomyelitis in morbis specificatis, aliis
		Encephalitis in systemic lupus erythematosus (M32.1+)

G06		Intracranial and intraspinal abscess and granuloma Latin: Abscessus intracranialis et intraspinalis granuloma intracraniale et intraspinale
		Use additional code (B95-B97), if desired, to identify infectious agent.
G06.0		Intracranial abscess and granuloma Latin: Abscessus intracranialis et granuloma intracraniale
		Abscess (embolic)(of): · brain [any part] · cerebellar · cerebral · otogenic Intracranial abscess or granuloma: · epidural · extradural · subdural
G06.1		Intraspinal abscess and granuloma Latin: Abscesus intraspinalis et granuloma intraspinale
		Abscess (embolic) of spinal cord [any part] Intraspinal abscess or granuloma: · epidural · extradural · subdural
G06.2		Extradural and subdural abscess, unspecified Latin: Abscessus extraduralis et abscessus subduralis, non specificatus

G07*		Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere Latin: Abscessus intracranialis et intraspinalis et granuloma intracraniale et intraspinale in morbis aliis
		Abscess of brain: · amoebic (A06.6+) · gonococcal (A54.8+) · tuberculous (A17.8+) Schistosomiasis granuloma of brain (B65.-+) Tuberculoma of: · brain (A17.8+) · meninges (A17.1+)

G08		Intracranial and intraspinal phlebitis and thrombophlebitis Latin: Phlebitis intracranialis et intraspinalis et thrombophlebitis intracranialis et intraspinalis
		Septic:
		· embolism · endophlebitis · phlebitis · thrombophlebitis · thrombosis				} } } } }	of intracranial or intraspinal venous sinuses and veins
		Excludes:	intracranial phlebitis and thrombophlebitis: · complicating:   · abortion or ectopic or molar pregnancy (O00-O07, O08.7)   · pregnancy, childbirth and the puerperium (O22.5, O87.3) · of nonpyogenic origin (I67.6) nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)

G09		Sequelae of inflammatory diseases of central nervous system Latin: Sequelae morbi inflammatorii systematis nervosi centralis
		Note:	This category is to be used to indicate conditions whose primary classification is to G00-G08 (i.e. excluding those marked with an asterisk (*)) as the cause of sequelae, themselves classifiable elsewhere. The "sequelae" include conditions specified as such or as late effects, or those present one year or more after onset of the causal condition. For use of this category reference should be made to the relevant morbidity and mortality coding rules and guidelines in Volume 2.

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