ICD-10-CM
O10.01
Pre-existing essential hypertension complicating pregnancy
- Kind
- Header. Not a billable code.
- Category
- O10
Codes under O10.01
A header groups codes and is not billed. A billable code is one you can report.
- O10.011Pre-existing essential hypertension complicating pregnancy, first trimesterBillable
- O10.012Pre-existing essential hypertension complicating pregnancy, second trimesterBillable
- O10.013Pre-existing essential hypertension complicating pregnancy, third trimesterBillable
- O10.019Pre-existing essential hypertension complicating pregnancy, unspecified trimesterBillable
It's the public CDC file. Check the official guidelines before you code.