91133 Electrogastrography with test
Also known as: electrogastro with test, gastric electrical with stimulation, provoked electrogastro
Electrogastrography with provocation testing to evaluate gastric electrical activity before and after stimulation.
In Plain Language
electrical stomach test with stimulation; stomach muscle response test
Clinical Context
Extended electrogastrography including provocation testing to better assess abnormal gastric myoelectric patterns and gastric dysrhythmias.
RVU Breakdown
| Work RVU | 0.64 |
| Total RVU | 0.64 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Medicine section codes cover a wide range of non-surgical services. Documentation should include the clinical indication, procedure details, interpretation (if applicable), and any patient-specific findings.
How This Code Compares
With a work RVU of 0.64, this code ranks in the 42nd percentile among Medicine codes — 1.2x below the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 91133?
CPT 91133 (Electrogastrography with test) is a Medicine code. Electrogastrography with provocation testing to evaluate gastric electrical activity before and after stimulation.
Who uses CPT code 91133?
CPT 91133 is used by Gastroenterology, Internal Medicine, Surgery. Extended electrogastrography including provocation testing to better assess abnormal gastric myoelectric patterns and gastric dysrhythmias.
When is CPT 91133 used?
Extended electrogastrography including provocation testing to better assess abnormal gastric myoelectric patterns and gastric dysrhythmias.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.