R11: Nausea and vomiting
Codes under R11 (Nausea and vomiting). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R11.0 | Nausea | ✓ |
| R11.0 | Nausea | ✓ |
| R11.1 | Vomiting | — |
| R11.1 | Vomiting | — |
| R11.2 | Nausea with vomiting, unspecified | ✓ |
| R11.2 | Nausea with vomiting, unspecified | ✓ |
| R11.10 | Vomiting, unspecified | ✓ |
| R11.10 | Vomiting, unspecified | ✓ |
| R11.11 | Vomiting without nausea | ✓ |
| R11.11 | Vomiting without nausea | ✓ |
| R11.12 | Projectile vomiting | ✓ |
| R11.12 | Projectile vomiting | ✓ |
| R11.13 | Vomiting of fecal matter | ✓ |
| R11.13 | Vomiting of fecal matter | ✓ |
| R11.14 | Bilious vomiting | ✓ |
| R11.14 | Bilious vomiting | ✓ |
| R11.15 | Cyclical vomiting syndrome unrelated to migraine | ✓ |
| R11.15 | Cyclical vomiting syndrome unrelated to migraine | ✓ |
| R11.16 | Cannabis hyperemesis syndrome | ✓ |
| R11.16 | Cannabis hyperemesis syndrome | ✓ |
Frequently asked questions
What is ICD-10-CM code R11?
R11 is an ICD-10-CM category covering Nausea and vomiting. It contains 20 more specific diagnosis codes, 18 of which are billable.
Is R11 a billable code?
No — R11 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example R11.0 — Nausea). 18 of the 20 codes under R11 are billable.
What codes fall under R11?
R11 includes R11.0, R11.0, R11.1, R11.1, R11.2, plus 15 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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