ICD‑10 Code A039 – Shigellosis, unspecified Shigellosis, unspecified
Clinical context, related codes, and quick guidance
Billable
Active (Valid as of April 2025) · ICD-10-CM (US)
Code Details
| Code | A039 |
|---|---|
| Category | A03 – Shigellosis Shigellosis |
| Version | ICD-10-CM (US) |
| Status | Active (Valid as of April 2025) |
Plain‑English Summary
ICD-10-CM code A03.9 represents unspecified shigellosis, an acute infectious disease caused by Shigella bacteria. This code is used when the specific type of Shigella causing the infection is not identified, leading to symptoms like dysentery. It is a billable code for medical diagnosis and reimbursement purposes.
When to Use This Code
- Bacillary dysentery NOS
Related Codes
Browse category »| Code | Description |
|---|---|
| A030 | Shigellosis due to Shigella dysenteriae Shigellosis due to Shigella dysenteriae |
| A031 | Shigellosis due to Shigella flexneri Shigellosis due to Shigella flexneri |
| A032 | Shigellosis due to Shigella boydii Shigellosis due to Shigella boydii |
| A033 | Shigellosis due to Shigella sonnei Shigellosis due to Shigella sonnei |
| A038 | Other shigellosis Other shigellosis |
FAQ
ICD-10-CM code A03.9 specifies "Shigellosis, unspecified," meaning a diagnosis of shigellosis has been made, but the particular species of Shigella bacteria causing the infection has not been identified or documented.
Yes, A03.9 is a billable/specific ICD-10-CM code that can be used for reimbursement purposes, indicating a confirmed diagnosis of unspecified shigellosis.
Shigellosis typically causes severe diarrhea (often bloody or with mucus), fever, abdominal cramps, and tenesmus (a painful sensation of needing to pass stool even when bowels are empty). It is commonly known as bacillary dysentery.
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Tags :
Shigellosis unspecified
ICD-10 A03.9
A03.9 diagnosis code
Bacillary dysentery NOS
Shigella infection code
ICD10 code for shigellosis
Unspecified dysentery
Infectious colitis
Gastrointestinal infection
Diarrhea with shigella