O10
O10: Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Non-billable headerICD-10-CM
O10 is a non-billable header ICD-10-CM code for pre-existing hypertension complicating pregnancy, childbirth and the puerperium. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
Includes
Conditions this code covers.
- pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
Other codes that can never be billed with O10
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 O10
6 child codes. Green means billable.
- O10.0Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
- O10.1Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
- O10.2Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
- O10.3Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium
- O10.4Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium
- O10.9Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium