2020 ICD-10-CM Diagnosis Code A03

Shigellosis

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • A03 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM A03 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of A03 - other international versions of ICD-10 A03 may differ.
The following code(s) above A03 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A03:
  • A00-B99
    2020 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
Code 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
ICD-10-CM Codes Adjacent To A03
A02.2 Localized salmonella infections
A02.20 Localized salmonella infection, unspecified
A02.21 Salmonella meningitis
A02.22 Salmonella pneumonia
A02.23 Salmonella arthritis
A02.24 Salmonella osteomyelitis
A02.25 Salmonella pyelonephritis
A02.29 Salmonella with other localized infection
A02.8 Other specified salmonella infections
A02.9 Salmonella infection, unspecified
A03 Shigellosis
A03.0 Shigellosis due to Shigella dysenteriae
A03.1 Shigellosis due to Shigella flexneri
A03.2 Shigellosis due to Shigella boydii
A03.3 Shigellosis due to Shigella sonnei
A03.8 Other shigellosis
A03.9 Shigellosis, unspecified
A04 Other bacterial intestinal infections
A04.0 Enteropathogenic Escherichia coli infection
A04.1 Enterotoxigenic Escherichia coli infection
A04.2 Enteroinvasive Escherichia coli infection

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.