| Full description | Pre-existing hypertensive heart disease complicating pregnancy, second 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 | O10.11 — Pre-existing hypertensive heart disease comp pregnancy |