A03.3
Shigellosis due to Shigella sonnei
Clinical Classification Guidelines
Inclusion Terms
- Group D shigellosis
Medical Intelligence & Overview
Shigellosis caused by *Shigella sonnei* is a type of bacterial intestinal infection represented by the ICD-10 code A03.3. It is part of the group D shigellosis, which encompasses infections caused by various *Shigella* species. This condition primarily affects the gastrointestinal tract, leading to symptoms like diarrhea, fever, and abdominal pain. It is commonly transmitted through contaminated food or water and is highly contagious, especially in settings with poor sanitation or close person-to-person contact.
Causes & Symptoms
Clinical Causes: Ingestion of food or water contaminated with *Shigella sonnei* bacteria Direct contact with an infected person, particularly in crowded environments Poor hygiene practices, such as inadequate handwashing after using the bathroom Consumption of raw or undercooked foods that harbor the bacteria
Key Symptoms: Diarrhea, which may be watery or contain blood and mucus Fever and chills Abdominal cramps and pain Nausea and vomiting Tenesmus, or the feeling of incomplete bowel evacuation Loss of appetite and general weakness
Diagnostic & Treatment
Diagnosis Path: Diagnosis typically involves stool tests to detect *Shigella* bacteria. Laboratory analysis confirms the presence of *Shigella sonnei*. Additional blood tests may be performed if dehydration or systemic infection is suspected. Clinical evaluation includes assessing the patient's symptoms and history of exposure to potential sources of infection.
Treatment Protocols: Treatment generally aims to relieve symptoms and eliminate the bacteria. It may include rehydration therapy to prevent dehydration and antibiotics to shorten the duration of illness and reduce transmission risk. Healthcare providers might also recommend supportive care measures, such as rest and a bland diet, until symptoms subside. Proper hygiene practices are critical to prevent spread to others.
Clinical Advice & FAQs
Billing Guidance
Is A03.3 a billable ICD-10 code?
Yes, A03.3 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report A03.3?
Clinical documentation must specify the nature of Shigellosis due to Shigella sonnei and any associated comorbidities for accurate reporting.
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