A00-B99 C00-D48D50-D89 E00-E90 F00-F99 G00-G99 H00-H59 H60-H95 I00-I99 J00-J99 K00-K93
L00-L99 M00-M99 N00-N99 O00-O99 P00-P96 Q00-Q99 R00-R99 S00-T98 V01-Y98 Z00-Z99 U00-U99

G20-G26 Extrapyramidal and movement disorders




 
Chapter VI

Diseases of the nervous system
(G00-G99)

Extrapyramidal and movement disorders
(G20-G26)

G20Parkinson's disease
Latin: Morbus Parkinson
Hemiparkinsonism
Paralysis agitans
Parkinsonism or Parkinson's disease:
· NOS
· idiopathic
· primary

G21Secondary parkinsonism
Latin: Parkinsonismus secundarius
G21.0Malignant neuroleptic syndrome
Use additional external cause code (Chapter XX), if desired, to identify drug.
G21.1Other drug-induced secondary parkinsonism
Use additional external cause code (Chapter XX), if desired, to identify drug.
G21.2Secondary parkinsonism due to other external agents
Use additional external cause code (Chapter XX), if desired, to identify external agent.
G21.3Postencephalitic parkinsonism
G21.8Other secondary parkinsonism
G21.9Secondary parkinsonism, unspecified

G22*Parkinsonism in diseases classified elsewhere
Latin: Parkinsonismus in morbis aliis
Syphilitic parkinsonism (A52.1+)

G23Other degenerative diseases of basal ganglia
Latin: Degenerationes gangliorum basalium aliae
Excludes:multi-system degeneration (G90.3)
G23.0Hallervorden-Spatz disease
Pigmentary pallidal degeneration
G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
G23.2Striatonigral degeneration
G23.8Other specified degenerative diseases of basal ganglia
Calcification of basal ganglia
G23.9Degenerative disease of basal ganglia, unspecified

G24Dystonia
Latin: Dystonia
Includes:dyskinesia
Excludes:athetoid cerebral palsy (G80.3)
G24.0Drug-induced dystonia
Latin: Dystonia medicamentosa
Use additional external cause code (Chapter XX), if desired, to identify drug.
G24.1Idiopathic familial dystonia
Latin: Dystonia idiopathica familiaris
Idiopathic dystonia NOS
G24.2Idiopathic nonfamilial dystonia
Latin: Dystonia idiopathica non familiaris
G24.3Spasmodic torticollis
Latin: Torticollis spasmodica
Excludes:torticollis NOS (M43.6)
G24.4Idiopathic orofacial dystonia
Latin: Dystonia orofacialis idiopathica
Orofacial dyskinesia
G24.5Blepharospasm
Latin: Blepharospasmus
G24.8Other dystonia
Latin: Dystonia alia
G24.9Dystonia, unspecified
Latin: Dystonia, non specificata
Dyskinesia NOS

G25.1
G25Other extrapyramidal and movement disorders
Latin: Affectiones extrapyramidales et disordines motionum alii
G25.0Essential tremor
Latin: Tremor essentiallis
Familial tremor
Excludes:tremor NOS (R25.1)
Drug-induced tremor
Latin: Tremor medicamentosus
Use additional external cause code (Chapter XX), if desired, to identify drug.
G25.2Other specified forms of tremor
Latin: Formae tremoris specifici ailae
Intention tremor
G25.3Myoclonus
Latin: Myoclonus
Drug-induced myoclonus
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes:facial myokymia (G51.4)
myoclonic epilepsy (G40.-)
G25.4Drug-induced chorea
Latin: Chorea medicamentosa
Use additional external cause code (Chapter XX), if desired, to identify drug.
G25.5Other chorea
Latin: Chorea alia
Chorea NOS
Excludes:chorea NOS with heart involvement (I02.0)
Huntington's chorea (G10)
rheumatic chorea (I02.-)
Sydenham's chorea (I02.-)
G25.6Drug-induced tics and other tics of organic origin
Latin: Tics medicamentosi et organici
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes:de la Tourette's syndrome (F95.2)
tic NOS (F95.9)
G25.8Other specified extrapyramidal and movement disorders
Latin: Affectiones extrapyramidales et disordines motionum specificatae aliae
Restless legs syndrome
Stiff-man syndrome
G25.9Extrapyramidal and movement disorder, unspecified
Latin: Affectio extrapyramidalis et disordo motionum, non specificatus

G26*Extrapyramidal and movement disorders in diseases classified elsewhere
Latin: Affectiones extrapyramidales et disordines motionum in morbis aliis