A03.1 – Shigellosis due to Shigella flexneri
ICD-10-CM 2027 diagnosis code · Intestinal infectious diseases
ICD-10-CM code
A03.1
- Code
A03.1(claims format:A031)- Description
- Shigellosis due to Shigella flexneri
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A00-A09 Intestinal infectious diseases
- Parent codes
- A03
Notes for A03.1
Applicable to:
- Group B shigellosis
Index terms for A03.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Bacillus, Flexner's
- Flexner's dysentery
- Shigellosis, Group B
- Hiss-Russell dysentery
- Diarrhea, diarrheal, Flexner's
- Dysentery, dysenteric, Flexner's
- Dysentery, dysenteric, Hiss-Russell
- Dysentery, dysenteric, bacillary, Flexner
- Infection, infected, infective, Shigella, flexneri
- Infection, infected, infective, Shigella, group, B
- Dysentery, dysenteric, bacillary, Shigella, group B
- Infection, infected, infective, Bacillus, Flexner's
- Dysentery, dysenteric, bacillary, Shigella, flexneri
Related codes in A03
Frequently asked questions
What is ICD-10 code A03.1?
A03.1 is the ICD-10-CM code for shigellosis due to Shigella flexneri, in the block A00-A09 (Intestinal infectious diseases).
Is A03.1 a billable code?
Yes. A03.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A03.1 belong to?
It belongs to category A03 – Shigellosis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.