Gastroenterology

Gastroenterology Medical Billing Services

Specialized billing for gastroenterology practices that maximizes reimbursement and eliminates revenue leaks.

40% denial reduction

Denial Reduction

26% revenue increase

Revenue Increase

Colonoscopy reclassification from screening to diagnostic without proper modifier, bundled polypectomy techniques, and lapsed infusion authorizations

Top Denial Focus

Why Gastroenterology Practices Choose Atlas Billers

Gastroenterology billing revolves around high-volume endoscopic procedures where small coding errors compound into massive revenue losses. A single colonoscopy encounter can involve a screening-turned-diagnostic conversion (45378 to 45385), multiple polypectomy techniques (45384, 45385, 45388), and add-on codes for additional polyp removal, all subject to strict NCCI bundling edits. When your practice performs 20-40 scopes per week, even a 5% error rate translates to tens of thousands of dollars in lost annual revenue.

Atlas Billers specializes in GI procedure coding and understands the critical difference between snare polypectomy (45385), hot biopsy forceps removal (45384), and cold forceps polypectomy reported with the base colonoscopy code. We handle the screening-to-diagnostic reclassification with proper modifier PT or 33 application, ensuring patients are not inappropriately billed and payers reimburse correctly. Our GI clients recover an average of 26% more revenue through precise procedural coding and aggressive denial follow-up.

Common Gastroenterology Billing Challenges

Endoscopy Bundling Rules and Add-On Procedure Coding

When multiple polypectomy techniques are used during the same session, strict hierarchy rules determine which codes can be reported together. Reporting the wrong combination triggers bundling denials, while underreporting leaves legitimate revenue uncaptured.

Screening Versus Diagnostic Colonoscopy Reclassification

When a screening colonoscopy becomes diagnostic due to polyp discovery or biopsy, the claim must be reclassified with appropriate modifiers. Incorrect handling leads to patient balance billing complaints, payer denials, and compliance risk under the Affordable Care Act preventive screening provisions.

Infusion Therapy Billing for Biologics

Many GI practices administer infliximab (Remicade), vedolizumab (Entyvio), and other biologics in-office. These high-cost infusions require buy-and-bill coding (J1745, J3380), weight-based dosing calculations, and meticulous prior authorization management to avoid five-figure claim denials.

ASC Versus Office-Based Facility Fee Discrepancies

Gastroenterology practices operating in ambulatory surgery centers face different reimbursement structures than office-based endoscopy suites. Incorrect place-of-service coding or facility fee misapplication results in systematic under- or over-billing.

How Atlas Billers Maximizes Your Gastroenterology Revenue

Our GI billing team reviews every endoscopy report with attention to procedure technique, polyp location, removal method, and pathology findings to ensure the most accurate and complete code assignment. We manage biologic infusion authorizations proactively, track drug inventory against billed units, and reconcile facility versus professional charges for ASC-based practices. Your weekly report provides procedure-level detail showing revenue per scope, denial trends, and payer performance.

  • Specialty-Trained Coders: Certified coders with extensive gastroenterology experience, including endoscopy suite workflow and infusion center billing
  • Proactive Denial Management: We prevent denials before they happen by validating polypectomy technique coding against operative reports, confirming screening-to-diagnostic reclassification accuracy, and maintaining infusion authorizations
  • Weekly Transparency Reports: Every Monday, see exactly where your revenue stands with per-procedure revenue analysis, scope volume tracking, and infusion reimbursement reconciliation
  • Staff Training: We train your front desk and endoscopy staff to capture accurate polyp documentation, verify colonoscopy screening eligibility, and manage infusion scheduling with authorization timelines

Frequently Asked Questions

How does Atlas handle colonoscopy coding when polyps are found during a screening?

When a screening colonoscopy converts to a diagnostic procedure due to polyp discovery, we apply the appropriate modifier (PT or 33) to ensure the screening component remains covered at zero patient cost share while the diagnostic and therapeutic services are billed correctly. We review every pathology result to confirm the final coding matches the clinical findings, protecting both your revenue and your patients from surprise bills.

What is your first-pass claim acceptance rate for gastroenterology?

Our gastroenterology practices consistently achieve first-pass rates above 96%, compared to the industry average of 80-85%. For complex multi-technique endoscopy claims, our pre-submission bundling validation keeps first-pass rates above 94%.

How long does it take to transition from our current biller?

Our parallel transition takes approximately 30 days with zero disruption to your cash flow. We coordinate with your endoscopy scheduling system and EHR to ensure seamless claim capture from day one.

Do you provide a dedicated billing manager?

Yes. Every Atlas client gets a dedicated billing manager with a direct phone number you can call or text anytime. Your GI billing manager will have direct experience with endoscopy coding and infusion billing workflows.

Ready to Optimize Your Gastroenterology Billing?

Get a free revenue analysis specific to your gastroenterology practice.

Get Started — No Commitment

Ready to talk?

No pressure, no commitments — just a conversation about your practice.

Get Started