All ICD10 Codes

A03

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Shigellosis

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
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

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

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A03:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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