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Z77.111

Billable

Contact with and (suspected) exposure to water pollution

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

What This Code Means

A person has been exposed to or is suspected of being exposed to water pollution, including contaminated drinking water, recreational water, or industrial water sources.

Coding Tips

  • Document the source of water exposure (drinking water, swimming, occupational) when available to provide complete clinical context.
  • Use alongside codes for any resulting conditions such as gastrointestinal illness or skin conditions if applicable.

Code Hierarchy

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