O21.8
ICD-10BillableOther vomiting complicating pregnancy
Official ICD-10-CM descriptor (FY2026)
Other vomiting complicating pregnancy
O21.8 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Vomiting due to diseases classified elsewhere, complicating pregnancy
Use additional code
Report an additional code to identify the associated condition.
- code, to identify cause.
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.