91037 Esophageal imped function test
Also known as: impedance test, esophageal clearance, bolus transit study
Esophageal impedance function test to evaluate the ability of the esophagus to clear liquids or solids.
In Plain Language
test of ability to swallow and clear food; measurement of esophagus clearing
Clinical Context
Diagnostic study to assess esophageal clearance of bolus material and detect abnormalities in swallowing function. Useful in dysphagia evaluation.
RVU Breakdown
| Work RVU | 0.95 |
| Total RVU | 0.95 |
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. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. 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 0.95, this code ranks in the 56th percentile among Medicine codes — 1.2x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 91037?
CPT 91037 (Esophageal imped function test) is a Medicine code. Esophageal impedance function test to evaluate the ability of the esophagus to clear liquids or solids.
Who uses CPT code 91037?
CPT 91037 is used by Gastroenterology, Internal Medicine, Otolaryngology. Diagnostic study to assess esophageal clearance of bolus material and detect abnormalities in swallowing function. Useful in dysphagia evaluation.
When is CPT 91037 used?
Diagnostic study to assess esophageal clearance of bolus material and detect abnormalities in swallowing function. Useful in dysphagia evaluation.
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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.