Index to Diseases and Injuries

Pregnancy › complicated by › vomiting

Index code:O21.9

due to diseases classified elsewhere O21.8
hyperemesis gravidarum (mild) O21.0- — see also Hyperemesis, gravidarum
late (occurring after 20 weeks of gestation) O21.2

Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What is the ICD-10-CM code for Pregnancy › complicated by › vomiting?

The ICD-10-CM Alphabetic Index directs "Pregnancy › complicated by › vomiting" to O21.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.

ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.