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.
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.