O21.0
BillableMild hyperemesis gravidarum
O21.0 is the ICD-10-CM code for Mild hyperemesis gravidarum. It is a billable, specific code valid for reimbursement.
O00-O9A Pregnancy, childbirth and the puerperium
What this means — in plain language
MedlinePlus · NIHWhat are health problems in pregnancy? A health problem in pregnancy is any disease or condition that could affect your health or the health of your fetus . Some health problems may make it more likely that you will have a high-risk pregnancy. A high-risk pregnancy is one in which you, your fetus, or both are at higher risk for health problems than in a typical pregnancy. But just because you have health problems,…
Read more about Health Problems in Pregnancy at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Hyperemesis gravidarum, mild or unspecified, starting before the end of the 20th week of gestation
Medications indicated for this condition
FDA labeling- Doxylamine Succinate and Pyridoxine Hydrochloride›
- Doxylamine Succinate and Pyridoxine Hydrochloride, Delayed Release Tablets 10 Mg/10 Mg›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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