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O16.9

Billable

Unspecified maternal hypertension, unspecified trimester

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

What This Code Means

High blood pressure during pregnancy or the postpartum period, but the specific timing is not documented or specified.

Coding Tips

  • •This is an unspecified code; use only when the trimester or time period cannot be determined from documentation
  • •Query the provider to determine the specific time period for more accurate coding

Code Hierarchy

└O16Unspecified maternal hypertension└O16.9Unspecified maternal hypertension, unspecified trimester
└O16.9Unspecified maternal hypertension, unspecified trimester

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