B81.0
Anisakiasis
Clinical Classification Guidelines
Inclusion Terms
- Infection due to Anisakis larva
Medical Intelligence & Overview
Anisakiasis is a parasitic infection caused by consuming raw or undercooked seafood contaminated with Anisakis larvae. This condition can lead to gastrointestinal discomfort and complications if not diagnosed and managed appropriately. It is most commonly associated with eating raw fish, such as sashimi, sushi, or pickled herring, which harbor the infective larvae. Recognizing the symptoms and understanding the causes of anisakiasis can help individuals seek timely medical attention and reduce the risk of complications.
Causes & Symptoms
Clinical Causes: Eating raw or undercooked seafood, especially fish like mackerel, herring, cod, and salmon, contaminated with Anisakis larvae. Consumption of improperly prepared seafood where the larvae have not been killed during processing. Handling raw seafood that contains larvae may pose a risk if cross-contamination occurs during food preparation. Ingesting seafood frozen at temperatures sufficient to kill the larvae, although failure to freeze properly can result in infection.
Key Symptoms: Severe abdominal pain, often in the upper stomach area Nausea and vomiting Diarrhea or sometimes constipation Mild to moderate allergic reactions, including skin rash or swelling Occasional fever and malaise
Diagnostic & Treatment
Diagnosis Path: Diagnosis of anisakiasis involves a combination of medical history, physical examination, and diagnostic procedures. A healthcare provider may inquire about recent consumption of raw seafood. Diagnostic tests can include:
Treatment Protocols: Treatment strategies for anisakiasis focus on relieving symptoms and removing the larvae when possible. Common approaches include:
Clinical Advice & FAQs
Billing Guidance
Is B81.0 a billable ICD-10 code?
Yes, B81.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report B81.0?
Clinical documentation must specify the nature of Anisakiasis and any associated comorbidities for accurate reporting.
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