O11 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Pre-existing hypertension with pre-eclampsia.
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Conditions in O10 complicated by pre-eclampsia
Pre-eclampsia superimposed pre-existing hypertension
Code from O10 to identify the type of hypertension
Pre-existing hypertension with pre-eclampsia, first trimester
Pre-existing hypertension with pre-eclampsia, second trimester
Pre-existing hypertension with pre-eclampsia, third trimester
Pre-existing hypertension with pre-eclampsia, complicating childbirth
Pre-existing hypertension with pre-eclampsia, complicating the puerperium
Pre-existing hypertension with pre-eclampsia, unspecified trimester
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