R11.0 Nausea

Billable ICD-10-CM code, FY2026.

Applicable to

• Nausea NOS
• Nausea without vomiting

Applies from R11 Nausea and vomiting

Excludes1 (never code together)

• 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)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 787.02 Nausea alone

Code annotations containing back-references to R11.0

Back-references to R11

• Type 1 Excludes: P92.0 Vomiting of newborn ("vomiting of child over 28 days old (R11.-)")

Diagnosis Index entries for R11.0

• Nausea (without vomiting)

Nearby codes

• R11 Nausea and vomiting
• R11.0 Nausea (this code)
• R11.1 Vomiting
• R11.10 Vomiting, unspecified
• R11.11 Vomiting without nausea
• R11.12 Projectile vomiting
• R11.13 Vomiting of fecal matter