O13.1
BillableGestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
High blood pressure that develops during pregnancy without significant protein in the urine, occurring in the first three months of pregnancy.
Coding Tips
- •Verify that proteinuria is absent or minimal (less than 0.3g/24 hours) to distinguish from preeclampsia
- •Document the specific trimester clearly in the medical record to ensure accurate code selection
Code Hierarchy
└O13Gestational [pregnancy-induced] hypertension without significant proteinuria└O13.1Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
└O13.1Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester