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B96.21

Billable

Shiga toxin-producing Escherichia coli [E. coli] [STEC] O157 as the cause of diseases classified elsewhere

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

What This Code Means

An infection caused by a specific strain of E. coli (O157) that produces Shiga toxin, commonly associated with severe diarrhea and hemolytic uremic syndrome.

Coding Tips

  • O157:H7 is the most common pathogenic strain; document the specific serotype when available
  • This organism is often foodborne and can cause life-threatening complications, particularly in children and elderly patients

Code Hierarchy

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