???? Understanding CPT Code 91035 for GERD Diagnosis

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. Accurate coding during claim submission is critical for correct reimbursements. Therefore, healthcare organizations often partner with billing experts to streamline financial performance.

???? Understanding CPT 91035

The American Medical Association (AMA) created coding standards to simplify payments. CPT 91035 here reports a gastroesophageal reflux test, also known 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 are used with CPT 91035 under specific clinical circumstances. Let’s break down them:

• Modifier 26: Used for interpretation and report only


• Modifier TC: Reports the procedural performance aspect.


• Modifier 52: Used when service is partially reduced


• Modifier 53: Applied when treatment stops for patient safety


• Modifier 59: Reports separate, non-overlapping procedures.


• Modifier 76: Indicates repeated service.


• Modifier 77: Reports repeat service by different provider

⚖️ Relation Between CPT 91035 and 00812?

CPT 91035 and CPT 00812 represent unrelated procedures.
CPT 91035 covers gastroesophageal pH monitoring, while CPT 00812 refers to anesthesia during colonoscopy

???? Common Mistakes to Avoid When Billing CPT Code 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 completeness in every billing field, including all claim data.

???? Key Takeaway

GERD is diagnosed through pH monitoring that measures more info acid exposure in the esophagus.
Providers bill under CPT Code 91035 to ensure correct payment. Correct modifier usage and accurate coding optimize the revenue cycle.