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ICD-10-CM Code A83.3
St Louis encephalitis

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

A83.3 is a billable ICD code used to specify a diagnosis of st Louis encephalitis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code A833 is used to code Saint Louis encephalitis

Saint Louis encephalitis is a disease caused by the Mansonia pseudotitillans mosquito borne Saint Louis encephalitis virus. Saint Louis encephalitis virus is related to Japanese encephalitis virus and is a member of the Flaviviridae subgroup. This disease mainly affects the United States. Occasional cases have been reported from Canada and Mexico.

Specialty: Infectious Disease
MeSH Code: D004674
ICD 9 Code: 623

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #023-027 - Cranio with major dev impl or acute complex cns pdx with MCC or chemo implant.
  • DRG Group #023-027 - Cranio with major dev impl or acute complex cns pdx without MCC.
  • DRG Group #023-027 - Craniotomy and endovascular intracranial procedures with MCC.
  • DRG Group #023-027 - Craniotomy and endovascular intracranial procedures with CC.
  • DRG Group #023-027 - Craniotomy and endovascular intracranial procedures without CC or MCC.
  • DRG Group #097-099 - Non-bacterial infect of nervous system except viral meningitis with MCC.
  • DRG Group #097-099 - Non-bacterial infect of nervous system except viral meningitis with CC.
  • DRG Group #097-099 - Non-bacterial infect of nervous system except viral meningitis without CC or MCC.

ICD-10-CM Alphabetical Index References for 'A83.3 - St Louis encephalitis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code A83.3. Click on any term below to browse the alphabetical index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

St. Louis encephalitis (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 062.3 was previously used, A83.3 is the appropriate modern ICD10 code.


Parent Code: A83 - Mosquito-borne viral encephalitis

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/A833