| Full description | Pre-existing hypertension with pre-eclampsia, third trimester |
| 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 | O11 — Pre-existing hypertension with pre-eclampsia |