O11
Non-billablePre-existing hypertension with pre-eclampsia
O11 is the ICD-10-CM code for Pre-existing hypertension with pre-eclampsia. It is a non-billable category code — use a more specific child code such as O11.1 for billing.
- Status
- Header (non-billable)
- Chapter
- O00-O9A
- Subcodes
- 6
- Edition
- FY2026
O00-O9A Pregnancy, childbirth and the puerperium
What this means — in plain language
MedlinePlus · NIHWhat is high blood pressure in pregnancy? Blood pressure is the force of your blood pushing against the walls of your arteries. Your arteries are blood vessels that carry blood from your heart to other parts of your body. High blood pressure , or hypertension, is blood pressure that is higher than normal. Having high blood pressure can put you at risk for other health problems, such as heart disease , heart attack ,…
Read more about High Blood Pressure in Pregnancy at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •conditions in O10 complicated by pre-eclampsia
- •pre-eclampsia superimposed pre-existing hypertension
Use additional code
- •code from O10 to identify the type of hypertension
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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