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B65.3

Billable

Cercarial dermatitis

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

What This Code Means

A skin reaction caused by parasitic larvae (cercariae) that penetrate the skin, typically occurring after contact with contaminated freshwater. It causes itching and rash at the site of contact.

Coding Tips

  • •Document the type of water exposure (swimming, wading, bathing) when available to support medical necessity
  • •Distinguish from other schistosomiasis codes (B65.0-B65.2) which represent systemic infection rather than localized skin reaction

Code Hierarchy

└B65Schistosomiasis [bilharziasis]└B65.3Cercarial dermatitis
└B65.3Cercarial dermatitis

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