Nausea and vomiting (R11)

Browse all the diagnosis codes used for nausea and vomiting (r11). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

Nausea - An unpleasant sensation in the stomach usually accompanied by the urge to vomit. Common causes are early pregnancy, sea and motion sickness, emotional stress, intense pain, food poisoning, and various enteroviruses.

Postoperative Nausea and Vomiting - Emesis and queasiness occurring after anesthesia.

Vomiting - The forcible expulsion of the contents of the STOMACH through the MOUTH.

Vomiting, Anticipatory - Vomiting caused by expectation of discomfort or unpleasantness.

Instructional Notations

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • 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