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O99.323

Billable

Drug use complicating pregnancy, third trimester

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

What This Code Means

Drug use during the last three months of pregnancy (third trimester) that causes complications for the mother or fetus.

Coding Tips

  • Verify the trimester is explicitly documented; third trimester is weeks 28+ of pregnancy
  • Document any neonatal withdrawal symptoms or other complications at delivery for comprehensive coding

Code Hierarchy

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