B81.1
Intestinal capillariasis
Clinical Classification Guidelines
Inclusion Terms
- Capillariasis NOS
- Infection due to Capillaria philippinensis
Excludes Type 2
- hepatic capillariasis (B83.8)
Medical Intelligence & Overview
Intestinal capillariasis is a parasitic infection caused by the roundworm Capillaria philippinensis. This condition affects the intestines, leading to a range of gastrointestinal symptoms. It is a rare disease predominantly linked to specific environmental exposures and can cause significant health issues if left untreated. This guide provides an easy-to-understand overview of intestinal capillariasis, including its causes, symptoms, diagnosis, and treatment options.
Causes & Symptoms
Clinical Causes: Infection occurs when a person ingests food or water contaminated with infective larvae of Capillaria philippinensis. Consumption of raw or undercooked fish or seafood harboring the parasitic larvae. Inadequate sanitation and poor hygiene practices increasing the risk of contact with contaminated sources. Environmental exposure in endemic areas where the parasite naturally occurs.
Key Symptoms: Chronic diarrhea, which may be severe and persistent. Unintentional weight loss due to malabsorption and nutritional deficiencies. Abdominal pain and cramps. Nausea and vomiting. Swelling of the abdomen, sometimes accompanied by bloating. Weakness, fatigue, and general malaise. Signs of malnutrition and electrolyte imbalance in advanced cases.
Diagnostic & Treatment
Diagnosis Path: Stool sample analysis to detect eggs or larvae of Capillaria philippinensis. Blood tests to identify anemia or nutritional deficiencies associated with the infection. Endoscopic procedures may be used to directly view and obtain biopsy samples from the intestinal lining. Serological tests, though less common, can sometimes help in confirming the infection.
Treatment Protocols: Albendazole, which is typically the first-line medication used to eliminate the parasite. Thiabendazole may also be prescribed in certain cases. Supportive measures such as rehydration therapy and nutritional support to address dehydration and malnutrition. Follow-up testing to ensure the infection has been completely cleared is essential.
Clinical Advice & FAQs
Billing Guidance
Is B81.1 a billable ICD-10 code?
Yes, B81.1 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report B81.1?
Clinical documentation must specify the nature of Intestinal capillariasis and any associated comorbidities for accurate reporting.
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