Category O21 Non-Billable Category FY2027 Dataset

O21: Excessive vomiting in pregnancy

Parent Chapter: Chapter 15: Pregnancy, childbirth and the puerperium

Notice on Coding Specificity: Category O21 is a 3-character heading and cannot be reported directly on healthcare claims. You must assign one of the specific child codes listed below.

Specific Child Codes in Category O21

Code Official Descriptor Status Action
O21.0 Mild hyperemesis gravidarum Billable Code View Code
O21.1 Hyperemesis gravidarum with metabolic disturbance Billable Code View Code
O21.2 Late vomiting of pregnancy Billable Code View Code
O21.8 Other vomiting complicating pregnancy Billable Code View Code
O21.9 Vomiting of pregnancy, unspecified Billable Code View Code
O21 Excessive vomiting in pregnancy Non-Billable View Code