ICD-10 A03.1
Billable / SpecificShigellosis due to Shigella flexneri
About ICD-10-CM A03.1
ICD-10-CM code A03.1 represents Shigellosis due to Shigella flexneri. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A03). The 2026 edition of ICD-10-CM A03.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under A03.1. Per CMS ICD-10-CM Tabular 2026.
- Group B shigellosis
Medicare LCD Coverage for A03.1
Local Coverage Determinations (LCDs) from CMS MACs that list A03.1 as a covered diagnosis.
Showing top 10 of 540 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing A03.1.
5 Medicare
CPT Codes Commonly Billed with A03.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 87482 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 0429U CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87557 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87593 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 0068U CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87651 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87487 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87538 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87563 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
- 87582 CMS LCD: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing CMS LCD
Convert A03.1 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| A03.1 | 0041 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A03.1
Other codes in section A00-A09 (Intestinal infectious diseases).
ICD-10 A03.1, Billing FAQ
Is ICD-10 code A03.1 billable? +
Yes, A03.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to A03.1? +
ICD-10 A03.1 includes: Group B shigellosis.
What CPT codes are commonly billed with A03.1? +
Procedures frequently paired with A03.1 include: 87482, 0429U, 87557, 87593, 0068U.
What ICD-9 codes does A03.1 map to? +
Per CMS GEMs, A03.1 maps to ICD-9 codes: 0041. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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