91035 G-esoph reflx tst with electrod
Also known as: pH monitoring with electrode, wireless pH monitoring, advanced GERD study
Gastroesophageal reflux test with electrode catheter technology for improved detection and recording of acid exposure events.
In Plain Language
24-hour acid and fluid reflux test; advanced reflux monitoring
Clinical Context
Extended monitoring study using electrode-based technology to detect both acidic and non-acidic reflux events. Superior for correlating reflux with symptoms.
RVU Breakdown
| Work RVU | 1.55 |
| Total RVU | 1.55 |
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 1.55, this code ranks in the 71st percentile among Medicine codes — 2.0x the median (0.78). The highest wRVU in this category is 23.92.
Specialties
Frequently Asked Questions
What is CPT code 91035?
CPT 91035 (G-esoph reflx tst with electrod) is a Medicine code. Gastroesophageal reflux test with electrode catheter technology for improved detection and recording of acid exposure events.
Who uses CPT code 91035?
CPT 91035 is used by Gastroenterology, Internal Medicine, Surgery. Extended monitoring study using electrode-based technology to detect both acidic and non-acidic reflux events. Superior for correlating reflux with symptoms.
When is CPT 91035 used?
Extended monitoring study using electrode-based technology to detect both acidic and non-acidic reflux events. Superior for correlating reflux with symptoms.
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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.