All ICD10 Codes
A03Non-billable

Shigellosis

Certain Infectious and Parasitic Diseases·Intestinal infectious diseases (A00-A09)·category·FY 2026

Use a more specific code (6 billable)
A03.0Shigellosis due to Shigella dysenteriaeA03.1Shigellosis due to Shigella flexneriA03.2Shigellosis due to Shigella boydiiA03.3Shigellosis due to Shigella sonneiA03.8Other shigellosisA03.9Shigellosis, unspecified

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • 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
  • code to identify resistance to antimicrobial drugs (Z16.-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A00-A09Intestinal infectious diseases (A00-A09)
A03ShigellosisNot billable
A03.0Shigellosis due to Shigella dysenteriaeBillable
A03.1Shigellosis due to Shigella flexneriBillable
A03.2Shigellosis due to Shigella boydiiBillable
A03.3Shigellosis due to Shigella sonneiBillable
A03.8Other shigellosisBillable
A03.9Shigellosis, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.