10ICD Code Hub

O10.0

Header — not billable

Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium

The ICD-10 code for pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium is O10.0.

O10.0 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

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

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under O10.0

Related codes in this category