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ICD-10-CM Code G21.4
Vascular parkinsonism

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

G21.4 is a billable ICD code used to specify a diagnosis of vascular parkinsonism. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code G21 is used to code Parkinsonism

Parkinsonism is a clinical syndrome characterized by tremor, bradykinesia, rigidity, and postural instability. Parkinsonism shares symptoms found in Parkinson's disease, from which it is named; but parkinsonism is a symptom complex, and differs from Parkinson disease which is a progressive neurodegenerative illness. The underlying causes of parkinsonism are numerous, and diagnosis can be complex. The neurodegenerative condition Parkinson's disease (PD) is the most common cause of parkinsonism. However, a wide range of other etiologies may lead to a similar set of symptoms, including some toxins, a few metabolic diseases, and a handful of neurological conditions other than Parkinson's.

Specialty: Neurology
MeSH Code: D020734
ICD 9 Code: 332
Source: Wikipedia

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

  • Vascular parkinsonism (disorder)

ICD-10-CM Alphabetical Index References for 'G21.4 - Vascular parkinsonism'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G21.4. Click on any term below to browse the alphabetical index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

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 G21.4 and a single ICD9 code, 332.0 is an approximate match for comparison and conversion purposes.


Parent Code: G21 - Secondary parkinsonism

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/G214