O10.919
BillableUnspecified pre-existing hypertension complicating pregnancy, unspecified trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A pregnant woman with pre-existing high blood pressure, but the specific trimester of pregnancy is not documented or specified.
Coding Tips
- •Use this code only when trimester information is unavailable or unclear; always attempt to determine trimester for more specific coding
- •Query the provider if trimester can be determined from delivery date or other clinical documentation
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└O10.919Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester
└O10.919Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester