| Sub-classification | Description |
| P00.0 | Fetus and newborn affected by maternal hypertensive disorders |
| P00.1 | Fetus and newborn affected by maternal renal and urinary tract diseases |
| P00.2 | Fetus and newborn affected by maternal infectious and parasitic diseases |
| P00.3 | Fetus and newborn affected by other maternal circulatory and respiratory diseases |
| P00.4 | Fetus and newborn affected by maternal nutritional disorders |
| P00.5 | Fetus and newborn affected by maternal injury |
| P00.6 | Fetus and newborn affected by surgical procedure on mother |
| P00.7 | Fetus and newborn affected by other medical procedures on mother, not elsewhere classified |
| P00.8 | Fetus and newborn affected by other maternal conditions |
| P00.9 | Fetus and newborn affected by unspecified maternal condition |