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O16.3

Billable

Unspecified maternal hypertension, third trimester

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

What This Code Means

High blood pressure in a pregnant woman during the third trimester (weeks 21 through delivery), without a specific underlying cause identified.

Coding Tips

  • •Third trimester hypertension may progress to preeclampsia or eclampsia; monitor documentation for these complications
  • •Third trimester begins at week 21 and continues through delivery

Code Hierarchy

└O16Unspecified maternal hypertension└O16.3Unspecified maternal hypertension, third trimester
└O16.3Unspecified maternal hypertension, third trimester

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