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B81.1

Billable

Intestinal capillariasis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A parasitic infection caused by capillaria worms that damage the small intestine, causing severe diarrhea, malabsorption, and protein loss.

Coding Tips

  • •This infection is rare in developed countries; document geographic origin or travel history
  • •Severe infections can cause protein-losing enteropathy; document nutritional complications if present

Excludes 2 — Not included here, may code separately

  • hepatic capillariasis (B83.8)

Code Hierarchy

└B81Other intestinal helminthiases, not elsewhere classified└B81.1Intestinal capillariasis
└B81.1Intestinal capillariasis

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