Other maternal disorders predominantly related to pregnancy (O20-O29) excludes2 maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99) |
| O20: Hemorrhage in early pregnancy |
| O21: Excessive vomiting in pregnancy |
| O22: Venous complications and hemorrhoids in pregnancy |
| O23: Infections of genitourinary tract in pregnancy |
| O24: Diabetes mellitus in pregnancy, childbirth, and the puerperium |
| O25: Malnutrition in pregnancy, childbirth and the puerperium |
| O26: Maternal care for other conditions predominantly related to pregnancy |
| O28: Abnormal findings on antenatal screening of mother |
| O29: Complications of anesthesia during pregnancy |