O21
Non-billableExcessive vomiting in pregnancy
O21 is the ICD-10-CM code for Excessive vomiting in pregnancy. It is a non-billable category code — use a more specific child code such as O21.0 for billing.
- Status
- Header (non-billable)
- Chapter
- O00-O9A
- Subcodes
- 5
- Edition
- FY2026
O00-O9A Pregnancy, childbirth and the puerperium
No additional coding notes for this code.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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