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O46.91

Billable

Antepartum hemorrhage, unspecified, first trimester

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

What This Code Means

Unexplained vaginal bleeding during the first three months of pregnancy before labor begins.

Coding Tips

  • Verify trimester documentation in the medical record; first trimester is weeks 1-13
  • Use only when the cause of bleeding is not specified; if cause is known, use more specific O46 codes

Code Hierarchy

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