| G20 |
Parkinson's disease [+]
Hemiparkinsonism
Idiopathic Parkinsonism or Parkinson's disease
Paralysis agitans
Primary Parkinsonism or Parkinson's disease
| Use additional |
code, if applicable, to identify: |
| Use additional |
dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4) |
| Use additional |
dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-) |
| Use additional |
dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3) |
| Use additional |
dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2) |
| Use additional |
dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0) |
| Use additional |
mild neurocognitive disorder due to known physiological condition (F06.7-) |
|
|
| G20.A |
Parkinson's disease without dyskinesia [+]
|
|
| G20.A1 |
Parkinson's disease without dyskinesia, without mention of fluctuations
Parkinson's disease NOS
Parkinson's disease without dyskinesia, without mention of OFF episodes
|
| G20.A2 |
Parkinson's disease without dyskinesia, with fluctuations
Parkinson's disease without dyskinesia, with OFF episodes
|
|
| G20.B |
Parkinson's disease with dyskinesia [+]
| Excludes 1: |
drug induced dystonia (G24.0-)
|
|
|
| G20.B1 |
Parkinson's disease with dyskinesia, without mention of fluctuations
Parkinson's disease with dyskinesia, without mention of OFF episodes
|
| G20.B2 |
Parkinson's disease with dyskinesia, with fluctuations
Parkinson's disease with dyskinesia, with OFF episodes
|
|
| G20.C |
Parkinsonism, unspecified
Parkinsonism, NOS
| Excludes 1: |
Parkinson's disease NOS (G20.A1)
Parkinson's disease with dyskinesia (G20.B-)
Parkinson's disease without dyskinesia (G20.A-)
secondary parkinsonism (G21-)
|
|
|
| G21 |
Secondary parkinsonism [+]
| Excludes 1: |
dementia with Parkinsonism (G31.83)
Huntington's disease (G10)
Shy-Drager syndrome (G90.3)
syphilitic Parkinsonism (A52.19)
|
|
|
| G21.0 |
Malignant neuroleptic syndrome
| Use additional |
code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595) |
| Excludes 1: |
neuroleptic induced parkinsonism (G21.11)
|
|
| G21.1 |
Other drug-induced secondary parkinsonism [+]
|
|
| G21.11 |
Neuroleptic induced parkinsonism
| Use additional |
code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595) |
| Excludes 1: |
malignant neuroleptic syndrome (G21.0)
|
|
| G21.19 |
Other drug induced secondary parkinsonism
Other medication-induced parkinsonism
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
|
| G21.2 |
Secondary parkinsonism due to other external agents
| Code first |
(T51-T65) to identify external agent
|
|
| G21.3 |
Postencephalitic parkinsonism
|
| G21.4 |
Vascular parkinsonism
|
| G21.8 |
Other secondary parkinsonism
|
| G21.9 |
Secondary parkinsonism, unspecified
|
|
| G23 |
Other degenerative diseases of basal ganglia [+]
| Excludes 2: |
multi-system degeneration of the autonomic nervous system (G90.3)
|
|
|
| G23.0 |
Hallervorden-Spatz disease
Pigmentary pallidal degeneration
|
| G23.1 |
Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
Progressive supranuclear palsy
|
| G23.2 |
Striatonigral degeneration
|
| G23.3 |
Hypomyelination with atrophy of the basal ganglia and cerebellum
H-ABC
|
| G23.8 |
Other specified degenerative diseases of basal ganglia
Calcification of basal ganglia
|
| G23.9 |
Degenerative disease of basal ganglia, unspecified
|
|
| G24 |
Dystonia [+]
| Includes: |
dyskinesia
|
| Excludes 2: |
athetoid cerebral palsy (G80.3)
|
|
|
| G24.0 |
Drug induced dystonia [+]
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
|
| G24.01 |
Drug induced subacute dyskinesia
Drug induced blepharospasm
Drug induced orofacial dyskinesia
Neuroleptic induced tardive dyskinesia
Tardive dyskinesia
|
| G24.02 |
Drug induced acute dystonia
Acute dystonic reaction to drugs
Neuroleptic induced acute dystonia
|
| G24.09 |
Other drug induced dystonia
|
|
| G24.1 |
Genetic torsion dystonia
Dystonia deformans progressiva
Dystonia musculorum deformans
Familial torsion dystonia
Idiopathic familial dystonia
Idiopathic (torsion) dystonia NOS
(Schwalbe-) Ziehen-Oppenheim disease
|
| G24.2 |
Idiopathic nonfamilial dystonia
|
| G24.3 |
Spasmodic torticollis
| Excludes 1: |
congenital torticollis (Q68.0)
hysterical torticollis (F44.4)
ocular torticollis (R29.891)
psychogenic torticollis (F45.8)
torticollis NOS (M43.6)
traumatic recurrent torticollis (S13.4)
|
|
| G24.4 |
Idiopathic orofacial dystonia
Orofacial dyskinesia
| Excludes 1: |
drug induced orofacial dyskinesia (G24.01)
|
|
| G24.5 |
Blepharospasm
| Excludes 1: |
drug induced blepharospasm (G24.01)
|
|
| G24.8 |
Other dystonia
Acquired torsion dystonia NOS
|
| G24.9 |
Dystonia, unspecified
Dyskinesia NOS
|
|
| G25 |
Other extrapyramidal and movement disorders [+]
| Excludes 2: |
sleep related movement disorders (G47.6-)
|
|
|
| G25.0 |
Essential tremor
Familial tremor
| Excludes 1: |
tremor NOS (R25.1)
|
|
| G25.1 |
Drug-induced tremor
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
| G25.2 |
Other specified forms of tremor
Intention tremor
|
| G25.3 |
Myoclonus
Drug-induced myoclonus
Palatal myoclonus
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
| Excludes 1: |
facial myokymia (G51.4)
myoclonic epilepsy (G40.-)
|
|
| G25.4 |
Drug-induced chorea
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
| G25.5 |
Other chorea
Chorea NOS
| Excludes 1: |
chorea NOS with heart involvement (I02.0)
Huntington's chorea (G10)
rheumatic chorea (I02.-)
Sydenham's chorea (I02.-)
|
|
| G25.6 |
Drug induced tics and other tics of organic origin [+]
|
|
| G25.61 |
Drug induced tics
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
| G25.69 |
Other tics of organic origin
| Excludes 1: |
habit spasm (F95.9)
tic NOS (F95.9)
Tourette's syndrome (F95.2)
|
|
|
| G25.7 |
Other and unspecified drug induced movement disorders [+]
| Use additional |
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
|
|
| G25.70 |
Drug induced movement disorder, unspecified
|
| G25.71 |
Drug induced akathisia
Drug induced acathisia
Neuroleptic induced acute akathisia
Tardive akathisia
|
| G25.79 |
Other drug induced movement disorders
|
|
| G25.8 |
Other specified extrapyramidal and movement disorders [+]
|
|
| G25.81 |
Restless legs syndrome
|
| G25.82 |
Stiff-man syndrome
|
| G25.83 |
Benign shuddering attacks
|
| G25.89 |
Other specified extrapyramidal and movement disorders
|
|
| G25.9 |
Extrapyramidal and movement disorder, unspecified
|
|
| G26 |
Extrapyramidal and movement disorders in diseases classified elsewhere
| Code first |
underlying disease
|
|