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O21.9

Billable

Vomiting of pregnancy, unspecified

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

What This Code Means

Nausea and vomiting during pregnancy when the specific type or severity has not been specified or determined.

Coding Tips

  • This is a non-specific code; use only when more specific codes (O21.0, O21.1, O21.2) cannot be determined
  • Request clarification from the provider about severity and timing to assign a more specific code

Code Hierarchy

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