AutoICD API

G21.4

Billable

Vascular parkinsonism

Vascular parkinsonism

Status

Billable / Specific

Block

G20-G26

Parent Code

G21

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • Huntington's disease (G10)
  • neurocognitive disorder with Lewy bodies (G31.83)
  • Shy-Drager syndrome (G90.3)
  • syphilitic Parkinsonism (A52.19)

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)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code G21.4?

ICD-10-CM code G21.4 represents "Vascular parkinsonism". It is a billable/specific code that can be used on a claim.

Is G21.4 a billable code?

Yes, G21.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G21.4 in?

G21.4 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G21.4?

G21.4 has Excludes1 notes indicating codes that cannot be used together with it, including: Huntington's disease (G10); neurocognitive disorder with Lewy bodies (G31.83); Shy-Drager syndrome (G90.3); and 1 more.

What SNOMED CT codes does G21.4 map to?

G21.4 maps to 1 SNOMED CT concept: 230296006. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G21.4?

G21.4 is linked to 1 UMLS Concept Unique Identifier: C0393568. 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.