Current
O11 — Pre-existing hypertension with pre-eclampsia
Part of Chapter 15: Pregnancy, childbirth and the puerperium , block Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16) .
Official Notes
Includes
conditions in O10 complicated by pre-eclampsia
Includes
pre-eclampsia superimposed pre-existing hypertension
Use Additional Code
code from O10 to identify the type of hypertension
Child Codes
- O11.1 Pre-existing hypertension with pre-eclampsia, first trimester Billable
- O11.2 Pre-existing hypertension with pre-eclampsia, second trimester Billable
- O11.3 Pre-existing hypertension with pre-eclampsia, third trimester Billable
- O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth Billable
- O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium Billable
- O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester Billable
Referenced By
Official notes on these codes cite O11.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS