O10.41Pre-existing secondary hypertension complicating pregnancy
ICD-10-CM category (non-billable header) code — part of Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
Subcategories (4)
- O10.411 Pre-existing secondary htn comp pregnancy, first trimester
- O10.412 Pre-existing secondary htn comp pregnancy, second trimester
- O10.413 Pre-existing secondary htn comp pregnancy, third trimester
- O10.419 Pre-existing secondary htn comp pregnancy, unsp trimester