O13
O13: Gestational [pregnancy-induced] hypertension without significant proteinuria
Non-billable headerICD-10-CM
O13 is a non-billable header ICD-10-CM code for gestational [pregnancy-induced] hypertension without significant proteinuria. It cannot be billed on its own: choose one of the more specific child codes below.
Includes
Conditions this code covers.
- gestational hypertension NOS
- transient hypertension of pregnancy
Other codes that can never be billed with O13
Their own Excludes1 notes name this code, so the conflict is not listed above.
- I10Essential (primary) hypertension
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead O13
6 child codes. Green means billable.
- O13.1Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
- O13.2Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester
- O13.3Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester
- O13.4Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth
- O13.5Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium
- O13.9Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester