R11Header code — not billable
Nausea and vomiting
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R11
- Effective date
- October 1, 2026
Related codes in category R11
R11.0NauseaYesR11.1VomitingR11.10Vomiting, unspecifiedYesR11.11Vomiting without nauseaYesR11.12Projectile vomitingYesR11.13Vomiting of fecal matterYesR11.14Bilious vomitingYesR11.15Cyclical vomiting syndrome unrelated to migraineYesR11.16Cannabis hyperemesis syndromeYesR11.2Nausea with vomiting, unspecifiedYes
Frequently asked questions
What is ICD-10 code R11?
R11 is an ICD-10-CM diagnosis code for Nausea and vomiting.
Is R11 a billable code?
No. R11 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is R11 in?
R11 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R11 become effective?
R11 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R11?
R11 belongs to category R11, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.