2024 ICD-10-CM Diagnosis Code A03.9

by

Shigellosis, unspecified

  • A03.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A03.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A03.9 – other international versions of ICD-10 A03.9 may differ.

Applicable To

  • Bacillary dysentery NOS

The following code(s) above A03.9 contain annotation back-references

 that may be applicable to A03.9:

  • A00-B99  Certain infectious and parasitic diseases

Approximate Synonyms

  • Infection by shigella
  • Shigella infection

Clinical Information

  • Dysentary caused by gram negative rod shaped enteric bacteria, most often by the genus shigella; shigella dysentery, shigellosis, is classified into subgroups according to syndrome severity and the infectious species.
  • Dysentery caused by gram-negative rod-shaped enteric bacteria (enterobacteriaceae), most often by the genus shigella. Shigella dysentery, shigellosis, is classified into subgroups according to syndrome severity and the infectious species. Group a: shigella dysenteriae (severest); group b: shigella flexneri; group c: shigella boydii; and group d: shigella sonnei (mildest).

ICD-10-CM A03.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 371 Major gastrointestinal disorders and peritoneal infections with mcc
  • 372 Major gastrointestinal disorders and peritoneal infections with cc
  • 373 Major gastrointestinal disorders and peritoneal infections without cc/mcc

Convert A03.9 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to A03.9:

Diagnosis Index entries containing back-references to A03.9: