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  1. ICD.Codes
  2. ICD-10-CM (2016)
  3. Chapter 6
  4. Section G20-G26
  5. Code G20

ICD-10-CM Code G20
Parkinson's disease

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

G20 is a billable ICD code used to specify a diagnosis of parkinson's disease. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code G20 is used to code Nervous system disease

Nervous system disease refers to a general class of medical conditions affecting the nervous system.

Specialty: Neurology
MeSH Codes: D009422, D009422, D009422, D009422, D009422, D020734
ICD 9 Codes: 320, 330, 340, 350, 359, 332
Source: Wikipedia

Coding Notes for G20 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Hemiparkinsonism
Idiopathic Parkinsonism or Parkinson's disease
Paralysis agitans
Parkinsonism or Parkinson's disease NOS
Primary Parkinsonism or Parkinson's disease
Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Dementia with Parkinsonism - instead, use code G31.83

MS-DRG Mapping

  • DRG Group #056-057 - Degenerative nervous system disorders with MCC.
  • DRG Group #056-057 - Degenerative nervous system disorders without MCC.

Related Concepts SNOMET-CT

  • Dementia due to Parkinson's disease (disorder)

ICD-10-CM Alphabetical Index References for 'G20 - Parkinson's disease'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G20. Click on any term below to browse the alphabetical index.

Parkinsonism(idiopathic) (primary) (G20)
Pyramidopallidonigral syndrome (G20)
Hemiparkinsonism (G20)
Disease, diseased (see: Syndrome) +
Syndrome (see: Disease) +
Paralysis, paralytic(complete) (incomplete) +
Dementia(degenerative (primary)) (old age) (persisting) +

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

332.0
Paralysis agitans (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code G20 and a single ICD9 code, 332.0 is an approximate match for comparison and conversion purposes.


** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/G20