O10 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Pre-existing hypertension complicating pregnancy, childbirth and the puerperium.
Includes
Pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
Type 2 excludes
Pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
Codes
O10.0
Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
O10.1
Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
O10.2
Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.3
Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.4
Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium
O10.9
Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code