R11 ICD-10-CM Code: Nausea and vomiting

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

R11

Nausea and vomiting

ICD-10-CM diagnosis code · United States clinical modification

Where R11 sits

  1. 1

    Chapter 18

    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

  2. 2

    Section

    Symptoms and signs involving the digestive system and abdomen (R10-R19)

  3. 3

    Category R11

    Nausea and vomiting

  4. 4

    Code R11

    Nausea and vomiting

Codes under R11

R11 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for R11.

Code first

No “code first” instruction is listed for R11.

Use additional code

No “use additional code” instruction is listed for R11.

Excludes1

Conditions that should not be reported together with this code.

  • cyclical vomiting associated with migraine (G43.A-)
  • excessive vomiting in pregnancy (O21.-)
  • hematemesis (K92.0)
  • neonatal hematemesis (P54.0)
  • newborn vomiting (P92.0-)
  • psychogenic vomiting (F50.89)
  • vomiting associated with bulimia nervosa (F50.2-)
  • vomiting following gastrointestinal surgery (K91.0)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for R11.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code R11 mean?

R11 is the FY 2027 U.S. ICD-10-CM code for “Nausea and vomiting.”

Is R11 a billable or specific ICD-10-CM code?

No. R11 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is R11 located in ICD-10-CM?

R11 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Symptoms and signs involving the digestive system and abdomen (R10-R19) (R10–R19), under category R11, Nausea and vomiting.

What coding notes are listed for R11?

No inclusion terms are listed for R11 in this reference record. No code-first instruction is listed. Excludes1 notes: cyclical vomiting associated with migraine (G43.A-); excessive vomiting in pregnancy (O21.-); hematemesis (K92.0); neonatal hematemesis (P54.0); newborn vomiting (P92.0-); psychogenic vomiting (F50.89); vomiting associated with bulimia nervosa (F50.2-); vomiting following gastrointestinal surgery (K91.0). No Excludes2 note is listed.