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E87.4

Billable

Mixed disorder of acid-base balance

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

What This Code Means

A complex condition where the blood has simultaneous problems with both acidity and alkalinity, creating an imbalanced chemical state.

Coding Tips

  • This code indicates concurrent acid-base disturbances; document both components if available
  • Often seen in critically ill patients with multiple organ involvement

Code Hierarchy

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