2027 ICD-10-CM Diagnosis Code R11Nausea and vomiting

ICD-10-CM Codes›R00–R99›R10-R19›R11

ICD-10-CM R11
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

R11 is a non-billable ICD-10-CM category code for nausea and vomiting, so it cannot be submitted on claims. Use a more specific code from this category instead, such as R11.0, R11.10, R11.11, and R11.12. As a symptom code, it should not be used as a principal diagnosis once a related definitive diagnosis has been established.

Code Identity

ICD-10-CM Code
R11
Billable Status
No — Non-Billable Category
Code Describes
Nausea and vomiting
Short Description
Nausea and vomiting
Same as the full description in the CMS dataset.
Chapter
R10-R19
Symptoms and signs involving the digestive system and abdomen

Code Classification

ChapterR00–R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
SectionR10-R19Symptoms and signs involving the digestive system and abdomen
CategoryR11Nausea and vomiting
This CodeR11Nausea and vomiting

Specific Coding for Nausea and vomitingOverview

Non-specific codes like R11 require more characters. Use one of these billable codes instead:

  • Use R11.0 for Nausea

  • R11.1 for Vomiting

  • Use R11.10 for Vomiting, unspecified

  • Use R11.11 for Vomiting without nausea

  • Use R11.12 for Projectile vomiting

  • Use R11.13 for Vomiting of fecal matter

  • Use R11.14 for Bilious vomiting

  • Use R11.15 for Cyclical vomiting syndrome unrelated to migraine

  • Use R11.16 for Cannabis hyperemesis syndrome

  • Use R11.2 for Nausea with vomiting, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to R11: its own notes plus those printed at block R10-R19 and Chapter 18. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

  • 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

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block R10-R19 Symptoms and signs involving the digestive system and abdomen applies to 99 codes
  • congenital or infantile pylorospasm (Q40.0)
  • gastrointestinal hemorrhage (K92.0-K92.2)
  • intestinal obstruction (K56.-)
  • newborn gastrointestinal hemorrhage (P54.0-P54.3)
  • newborn intestinal obstruction (P76.-)
  • pylorospasm (K31.3)
  • signs and symptoms involving the urinary system (R30-R39)
  • symptoms referable to female genital organs (N94.-)
  • symptoms referable to male genital organs (N48-N50)
From Chapter 18 (R00-R99) Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified applies to 774 codes
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Notes

General instructions on how these codes are used.

From Chapter 18 (R00-R99) Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified applies to 774 codes
  • This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded.
  • Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification.
  • The conditions and signs or symptoms included in categories R00-R94 consist of:
  • (a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated;
  • (b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined;
  • (c) provisional diagnosis in a patient who failed to return for further investigation or care;
  • (d) cases referred elsewhere for investigation or treatment before the diagnosis was made;
  • (e) cases in which a more precise diagnosis was not available for any other reason;
  • (f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name R11, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming R11: they are not reported together with it, unless the two conditions are unrelated.

  • P92.0 Vomiting of newborn
    vomiting of child over 28 days old (R11.-)

Clinical InformationClinical

  • Nausea and Vomiting

    expelling the contents of the stomach and the sensations associated with it. they are symptoms of an underlying disease or condition and not a specific illness.

Patient EducationClinical

Nausea and Vomiting

Nausea is when you feel sick to your stomach, as if you are going to throw up. Vomiting is when you throw up.

The full article covers:

  • What are nausea and vomiting?
  • What causes nausea and vomiting?
  • When do I need to see a health care provider for nausea and vomiting?
  • How is the cause of nausea and vomiting diagnosed?
  • What are the treatments for nausea and vomiting?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About R11Overview

What is the ICD-10 code for nausea and vomiting?

R11 is the ICD-10-CM category for nausea and vomiting, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is R11 (Nausea and vomiting) a billable code?

No. This is a category header that groups the codes for nausea and vomiting, and headers cannot be submitted on claims. Claims for nausea and vomiting need a more specific code from this category, such as R11.0, R11.10, and R11.11.

Can R11 be a principal diagnosis?

Use it with care. This is a symptom code, so once a definitive diagnosis explaining the nausea and vomiting is established, that condition takes the principal position instead.

Can R11 be reported with a code from G43.A?

Not as a rule. The Excludes1 note on R11 lists "cyclical vomiting associated with migraine (G43.A-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).