ICD-10 R11.0
Billable / SpecificNausea
About ICD-10-CM R11.0
ICD-10-CM code R11.0 represents Nausea. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R11). The 2026 edition of ICD-10-CM R11.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R11.0. Per CMS ICD-10-CM Tabular 2026.
- Nausea NOS
- Nausea without vomiting
Medicare LCD Coverage for R11.0
Local Coverage Determinations (LCDs) from CMS MACs that list R11.0 as a covered diagnosis.
Showing top 10 of 188 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R11.0.
1 Cigna
5 Medicare
5 Aetna
CPT Codes Commonly Billed with R11.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 43239 EGD with biopsy — abdominal pain, GERD, gastritis, ulcer Gastroenterology
- 99202 New patient office visit — fever, headache, abdominal pain, cough, dyspnea, fatigue, dizziness, limb pain, nausea, routine exam, URI, UTI, pharyngitis, otitis, chest pain, weight loss Primary Care
- 99203 New patient office visit — common complaints plus chronic conditions: HTN, diabetes, hyperlipidemia, asthma, GERD, back pain, migraine, tachycardia, prediabetes Primary Care
- 99212 Established patient — URI, UTI, pharyngitis, otitis, dermatitis, rash, viral infection, cellulitis, conjunctivitis, sinusitis, bronchitis, ankle sprain Primary Care
- 43235 Diagnostic EGD — abdominal pain, nausea, vomiting, GERD, gastric ulcer, gastritis, hematemesis, melena, Barrett esophagus, dysphagia, esophagitis, weight loss, iron deficiency anemia, polyp Gastroenterology
- 99281 ED visit level 1 — fever, cough, URI, abdominal pain, dizziness, laceration, ankle sprain, nausea, minor injury Emergency Medicine
- 99282 ED visit level 2 — same as level 1 with low complexity MDM Emergency Medicine
Convert R11.0 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| R11.0 | 78702 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R11.0
Other codes in section R10-R19 (Symptoms and signs involving the digestive system and abdomen).
ICD-10 R11.0, Billing FAQ
Is ICD-10 code R11.0 billable? +
Yes, R11.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to R11.0? +
ICD-10 R11.0 includes: Nausea NOS; Nausea without vomiting.
What CPT codes are commonly billed with R11.0? +
Procedures frequently paired with R11.0 include: 43239, 99202, 99203, 99212, 43235.
What ICD-9 codes does R11.0 map to? +
Per CMS GEMs, R11.0 maps to ICD-9 codes: 78702. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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