ICD-10-CM Codes
O00-O9A Pregnancy, childbirth and the puerperium
O20-O29 Other maternal disorders predominantly related to pregnancy

Excessive vomiting in pregnancy O21- >

Clinical Information

Intractable vomiting that develops in early pregnancy and persists. This can lead to dehydration and weight loss.
Severe, intractable vomiting during pregnancy (usually the first trimester) accompanied by dehydration, weight loss, and electrolyte imbalances.

Codes

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