O10.913
BillableUnspecified pre-existing hypertension complicating pregnancy, third trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A pregnant woman in her third trimester (weeks 21 until delivery) who has high blood pressure that existed before she became pregnant.
Coding Tips
- •Confirm third trimester timing and monitor for development of pre-eclampsia which would require a different code
- •Document the baseline blood pressure readings from before pregnancy when available for clinical context
Code Hierarchy
└O10Pre-existing hypertension complicating pregnancy, childbirth and the puerperium└O10.9Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium└O10.91Unspecified pre-existing hypertension complicating pregnancy└O10.913Unspecified pre-existing hypertension complicating pregnancy, third trimester
└O10.913Unspecified pre-existing hypertension complicating pregnancy, third trimester