???? Understanding CPT Code 91035 for GERD Diagnosis



???? A Comprehensive Guide to CPT Code 91035



Introduction:

To diagnose GERD effectively, providers perform acid level monitoring with telemetry pH electrode placement.
In medical billing, CPT Code 91035 is used for the gastroesophageal reflux test. Coding precision during claim submission is critical for correct reimbursements. Therefore, healthcare organizations often outsource medical billing to streamline cash flow.






???? What is CPT Code 91035?


The American Medical Association (AMA) establishes guidelines for billing accuracy. CPT 91035 applies to website a gastroesophageal reflux test, commonly referred website to as the Bravo Capsule code. This procedure helps track acid reflux through pH monitoring. Proper documentation supports payer understanding.






???? CPT 91035 Modifier Details


Several modifiers may be appended to CPT 91035 under specific clinical circumstances. Let’s break down them:




  • Modifier 26: Bills the professional component

  • Modifier TC: Refers to the equipment and technician cost

  • Modifier 52: Indicates reduced service.

  • Modifier 53: Used if the procedure is discontinued

  • Modifier 59: Used to prevent bundling errors

  • Modifier 76: Applied when test is repeated on same day

  • Modifier 77: Indicates separate provider involvement.






⚖️ Difference Between CPT 91035 and 00812


No, they are not related.
CPT 91035 reports GERD testing, while CPT 00812 refers to anesthesia during colonoscopy






???? Billing Errors to Watch Out for in CPT 91035



1️⃣ Using the Wrong Modifier


When coders choose the wrong modifier for CPT 91035, the reimbursement can be delayed. Always review payer-specific rules before submission.



2️⃣ Missing Details in Billing


Missing patient or provider information can result in denied payments. Ensure clarity in every billing field, including documentation of service level






???? Final Thoughts


Gastroesophageal reflux disease diagnosis involves analyzing acid backflow with pH monitoring.
Providers submit CPT 91035 to insurers to document GERD diagnosis accurately. Correct modifier usage and precise billing boost claim acceptance rates.

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