O10.91

Non-Billable

Unspecified pre-existing hypertension complicating pregnancy

O10.91 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • O10.911Unspecified pre-existing hypertension complicating pregnancy, first trimester
  • O10.912Unspecified pre-existing hypertension complicating pregnancy, second trimester
  • O10.913Unspecified pre-existing hypertension complicating pregnancy, third trimester
  • O10.919Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester