G20.A1
BillableParkinson's dis w/o dyskinesia, w/o mention of fluctuations
Parkinson's disease without dyskinesia, without mention of fluctuations
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Parkinson's disease NOS
- Parkinson's disease without dyskinesia, without mention of OFF episodes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
- code, if applicable, to identify:
- •dementia with anxiety, A4, B4, C4)F02.84, F02, F02, F02
- •dementia with behavioral disturbance, A1-, B1-, C1-)F02.81, F02, F02, F02
- •dementia with mood disturbance, A3, B3, C3)F02.83, F02, F02, F02
- •dementia with psychotic disturbance, A2, B2, C2)F02.82, F02, F02, F02
- •dementia without behavioral disturbance, A0, B0, C0)F02.80, F02, F02, F02
- •mild neurocognitive disorder due to known physiological conditionF06.7
Also Known As / Clinical Terms(166)
SNOMED CT
- Parkinson facies26823002
- Parkinson's facies26823002
- Restrictive lung disease36485005
- Idiopathic Parkinson's disease49049000
- Idiopathic Parkinsonism49049000
- PD - Parkinson's disease49049000
- Paralysis agitans49049000
- Parkinson disease49049000
- Parkinson's disease49049000
- Parkinsons disease49049000
- Primary Parkinsonism49049000
- Shaking palsy49049000
- Juvenile Parkinson disease230291001
- Juvenile Parkinson's disease230291001
- Dementia associated with Parkinson Disease425390006
- Dementia associated with Parkinson's Disease425390006
- Dementia in Parkinsons disease425390006
- Cerebral degeneration due to Parkinson disease438513002
- Cerebral degeneration due to Parkinson's disease438513002
- Early onset Parkinson disease715345007
- Early onset Parkinson's disease715345007
- Young onset Parkinson disease715345007
- Young onset Parkinson's disease715345007
- Autosomal dominant late onset Parkinson disease716662004
- Hereditary late onset Parkinson disease716662004
- Psychosis co-occurrent and due to Parkinson's disease719717006
- Autosomal recessive familial Parkinson disease1156822001
- Autonomic disorder due to Parkinson disease1259080009
- Autonomic disorder due to Parkinson's disease1259080009
- Disorder of autonomic nervous system due to Parkinson disease1259080009
- Disorder of autonomic nervous system due to Parkinson's disease1259080009
- Dementia due to Parkinson disease101421000119107
- Dementia due to Parkinson's disease101421000119107
- Dementia due to Parkinsons disease101421000119107
- Fluency disorder due to Parkinson disease15755701000119105
- Fluency disorder due to Parkinson's disease15755701000119105
- Restrictive lung disease due to Parkinson disease103871000119109
- Restrictive lung disease due to Parkinson's disease103871000119109
- Restrictive lung disease due to Parkinsons disease103871000119109
UMLS
- Disease Parkinson'sC0030567
- IDIOPATHIC PARKINSON DISC0030567
- IDIOPATHIC PARKINSONS DISC0030567
- Idiopathic Parkinson DiseaseC0030567
- Idiopathic Parkinson's DiseaseC0030567
- Idiopathic Parkinson's diseaseC0030567
- Idiopathic ParkinsonismC0030567
- LEWY BODY PARKINSON DISC0030567
- Lewy Body Parkinson DiseaseC0030567
- Lewy Body Parkinson's DiseaseC0030567
- PARKINSON DISC0030567
- PARKINSON DIS IDIOPATHICC0030567
- PARKINSON DISEASEC0030567
- PARKINSONS DISC0030567
- PARKINSONS DIS IDIOPATHICC0030567
- PARKINSONS DIS LEWY BODYC0030567
- PD - Parkinson's diseaseC0030567
- Paralysis AgitansC0030567
- Paralysis agitansC0030567
- Parkinson DiseaseC0030567
- Parkinson Disease, IdiopathicC0030567
- Parkinson diseaseC0030567
- Parkinson disease (PD)C0030567
- Parkinson's DiseaseC0030567
- Parkinson's Disease, IdiopathicC0030567
- Parkinson's Disease, Lewy BodyC0030567
- Parkinson's diseaseC0030567
- Parkinson's disease (disorder)C0030567
- Parkinson's disease NOSC0030567
- Parkinson's syndromeC0030567
- Parkinsonism, PrimaryC0030567
- Parkinsons diseaseC0030567
- Primary ParkinsonismC0030567
- Primary parkinsonismC0030567
- Shaking PalsyC0030567
- Shaking palsyC0030567
- bodies disease lewy parkinson'sC0030567
- disease disorders parkinson'sC0030567
- disease idiopathic parkinsonsC0030567
- disease parkinson sC0030567
- disease parkinsons'sC0030567
- diseases parkinsonC0030567
- diseases parkinson'sC0030567
- diseases parkinsonsC0030567
- idiopathic parkinson diseaseC0030567
- idiopathic parkinson's diseaseC0030567
- palsy shakingC0030567
- paralysis agitansC0030567
- parkinson disease lewy bodyC0030567
- parkinson s diseaseC0030567
- parkinson's syndromeC0030567
- shaking palsyC0030567
- syndrome parkinson'sC0030567
- Parkinson's dis w/o dyskinesia, w/o mention of fluctuationsC5819547
- Parkinson's disease without dyskinesia, without mention of fluctuationsC5819547
- Parkinson's disease without dyskinesia, without mention of OFF episodesC5819568
Clinical Terms
- palsy shaking
- Autosomal dominant late onset Parkinson disease
- Parkinson's disease NOS
- LEWY BODY PARKINSON DIS
- diseases parkinson
- disease parkinsons's
- Cerebral degeneration due to Parkinson's disease
- Autonomic disorder due to Parkinson's disease
- Restrictive lung disease due to Parkinsons disease
- Parkinson's facies
- Parkinson's syndrome
- Dementia due to Parkinsons disease
- Parkinson Disease
- Restrictive lung disease due to Parkinson's disease
- parkinson s disease
- Disorder of autonomic nervous system due to Parkinson's disease
- Idiopathic Parkinsonism
- IDIOPATHIC PARKINSON DIS
- Fluency disorder due to Parkinson's disease
- Fluency disorder due to Parkinson disease
- Parkinson disease (PD)
- Idiopathic Parkinson's Disease
- Restrictive lung disease
- Disorder of autonomic nervous system due to Parkinson disease
- Shaking palsy
- paralysis agitans
- Primary Parkinsonism
- parkinson disease lewy body
- PARKINSON DIS
- Cerebral degeneration due to Parkinson disease
- Parkinson facies
- Autosomal recessive familial Parkinson disease
- Restrictive lung disease due to Parkinson disease
- PD - Parkinson's disease
- disease disorders parkinson's
- disease parkinson s
- Young onset Parkinson disease
- Early onset Parkinson's disease
- Dementia in Parkinsons disease
- Parkinson's Disease, Lewy Body
- diseases parkinson's
- syndrome parkinson's
- Hereditary late onset Parkinson disease
- PARKINSON DIS IDIOPATHIC
- Lewy Body Parkinson's Disease
- PARKINSONS DIS LEWY BODY
- bodies disease lewy parkinson's
- PARKINSONS DIS
- Idiopathic Parkinson Disease
- Parkinson's disease (disorder)
- IDIOPATHIC PARKINSONS DIS
- Psychosis co-occurrent and due to Parkinson's disease
- Juvenile Parkinson's disease
- Parkinson Disease, Idiopathic
- Dementia associated with Parkinson's Disease
- Parkinsons disease
- Juvenile Parkinson disease
- Disease Parkinson's
- Parkinsonism, Primary
- Lewy Body Parkinson Disease
- Parkinson's Disease, Idiopathic
- Young onset Parkinson's disease
- diseases parkinsons
- Dementia associated with Parkinson Disease
- Parkinson's disease without dyskinesia, without mention of OFF episodes
- Autonomic disorder due to Parkinson disease
- Early onset Parkinson disease
- Dementia due to Parkinson's disease
- PARKINSONS DIS IDIOPATHIC
- Dementia due to Parkinson disease
- disease idiopathic parkinsons
Frequently Asked Questions
What is the ICD-10 code for parkinson's dis w/o dyskinesia, w/o mention of fluctuations?
The ICD-10-CM code for parkinson's dis w/o dyskinesia, w/o mention of fluctuations is G20.A1. The full clinical description is "Parkinson's disease without dyskinesia, without mention of fluctuations". G20.A1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G20.A1 mean?
ICD-10-CM code G20.A1 represents “Parkinson's disease without dyskinesia, without mention of fluctuations”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G20.A1 a billable code?
Yes, G20.A1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G20.A1 in?
G20.A1 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
Are additional codes required with G20.A1?
Yes, when using G20.A1, also report: code, if applicable, to identify:; dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4); dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-); dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3); dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2); dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0); mild neurocognitive disorder due to known physiological condition (F06.7-).
What SNOMED CT codes does G20.A1 map to?
G20.A1 maps to 14 SNOMED CT concepts: 1259080009, 716662004, 1156822001, 438513002, 425390006, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G20.A1?
G20.A1 is linked to 3 UMLS Concept Unique Identifiers: C0030567, C5819547, C5819568. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G20.A1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like parkinson's dis w/o dyskinesia, w/o mention of fluctuations affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G20.A1?
There is no direct ICD-11 mapping available for G20.A1 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.