O21
Header — not billableExcessive vomiting in pregnancy
The ICD-10 code for excessive vomiting in pregnancy is O21.
O21 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- O20Hemorrhage in early pregnancynon-billable header
- O22Venous complications and hemorrhoids in pregnancynon-billable header
- O23Infections of genitourinary tract in pregnancynon-billable header
- O24Diabetes mellitus in pregnancy, childbirth, and the puerperiumnon-billable header
- O25Malnutrition in pregnancy, childbirth and the puerperiumnon-billable header
- O26Maternal care for other conditions predominantly related to pregnancynon-billable header
- O28Abnormal findings on antenatal screening of mothernon-billable header
- O29Complications of anesthesia during pregnancynon-billable header
- O21Excessive vomiting in pregnancynon-billable header