A03.9Billable

Shigellosis, unspecified

Chapter
1. Certain infectious and parasitic diseases
Category
A03
Effective date
October 1, 2026

Related codes in category A03

A03ShigellosisA03.0Shigellosis due to Shigella dysenteriaeYesA03.1Shigellosis due to Shigella flexneriYesA03.2Shigellosis due to Shigella boydiiYesA03.3Shigellosis due to Shigella sonneiYesA03.8Other shigellosisYes

Frequently asked questions

What is ICD-10 code A03.9?

A03.9 is an ICD-10-CM diagnosis code for Shigellosis, unspecified.

Is A03.9 a billable code?

Yes. A03.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A03.9 in?

A03.9 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A03.9 become effective?

A03.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A03.9?

A03.9 belongs to category A03, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.