| Full description | Unspecified pre-existing hypertension complicating the puerperium |
| Billable | Yes |
| Chapter | Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A) |
| Section | Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16) |
| Parent code | O10.9 — Unsp pre-existing hypertension compl preg/chldbrth |