O10.0

O10.0: Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium

Non-billable headerICD-10-CM

O10.0 is a non-billable header ICD-10-CM code for pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Any condition in I10 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

Excludes2 inherited from the categories above O10.0

Not part of this code, but both may be coded when both are present.

Written on O10: Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)

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 O10.0

3 child codes. Green means billable.