| Full description | Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset |
| Billable | Yes |
| Chapter | Chapter 16: Certain conditions originating in the perinatal period (P00-P96) |
| Section | Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery (P00-P04) |
| Parent code | P03.81 — Newborn affected by abnlt in fetal heart rate or rhythm |