O21.2
ICD-10BillableLate vomiting of pregnancy
Official ICD-10-CM descriptor (FY2026)
Late vomiting of pregnancy
O21.2 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Excessive vomiting starting after 20 completed weeks of gestation
Related codes in O21
Where this code sits
- Parent code
- O21
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.