G20.B
Non-billableParkinson's disease with dyskinesia
Parkinson's disease with dyskinesia
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- drug induced dystonia (G24.0-)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
Additional codes that should follow this code
- 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-)
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code G20.B?
ICD-10-CM code G20.B represents "Parkinson's disease with dyskinesia". It is a non-billable header code — use a more specific child code for billing purposes.
Is G20.B a billable code?
No, G20.B is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under G20.B.
What chapter is G20.B in?
G20.B is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G20.B?
G20.B has Excludes1 notes indicating codes that cannot be used together with it, including: drug induced dystonia (G24.0-).
What are the subcategories under G20.B?
G20.B has 2 child codes, including: G20.B1 (Parkinson's dis with dyskinesia, w/o mention of fluctuations), G20.B2 (Parkinson's disease with dyskinesia, with fluctuations).
Are additional codes required with G20.B?
Yes, when using G20.B you should also code: 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 are the UMLS CUIs for G20.B?
G20.B is linked to 1 UMLS Concept Unique Identifier: C5819120. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.