O21 - Excessive vomiting in pregnancy O21 - Excessive vomiting in pregnancy
O21.0 - Mild hyperemesis gravidarum O21.1 - Hyperemesis gravidarum with metabolic disturbance O21.2 - Late vomiting of pregnancy O21.8 - Other vomiting complicating pregnancy O21.9 - Vomiting of pregnancy, unspecified