Medical billing, credentialing, marketing and EHR support across all 50 states

ENDOSCOPY REVENUE PROTECTION

Gastroenterology Billing Services Built Around the One Thing That Drives Your Revenue: Endoscopy

Your Revenue Lives in the Endoscopy Suite. One Coding Mistake Shouldn't Be What Takes It Away.

Gastroenterology is one of the highest-earning specialties in medicine — and one of the most financially frustrating. Your colonoscopies and endoscopies are high-value procedures, but they sit on top of the most unforgiving coding rules in outpatient care: screening-versus-diagnostic conversions, aggressive bundling edits, and modifier rules where a single wrong character turns a paid claim into a denial or a surprise bill for your patient.

Our gastroenterology billing services are built specifically for that reality. We code every procedure to the note, apply the right modifiers for every payer, and protect both your revenue and your patients from the errors that cost GI practices the most.

FREE GASTROENTEROLOGY BILLING AUDIT

We'll review your recent endoscopy claims and show you, in writing, exactly where revenue is leaking — screening conversions, bundling errors, undercoded procedures — and how much we can help you recover. No cost, no obligation, findings yours to keep.

GI REVENUE LOSS PROFILE

What Weak GI Billing Costs a Gastroenterology Practice

THE PROBLEM WHAT IT MEANS FOR YOU
01

Screening-to-diagnostic errors

The single most common GI mistake — lost revenue, or a surprise bill your patient should never have received

02

Endoscopy bundling denials

Billing two scope procedures that can't be reported together, so the claim is denied outright

03

Multiple-scope reductions applied wrong

Same-session procedures paid at the wrong rate, on high-value claims

04

Incomplete operative documentation

Missing prep quality or polyp detail, so a clean procedure can't be verified and gets denied

05

Prior authorization gaps

Procedures and biologics denied at billing that should have been cleared at scheduling

06

Uncaptured infusion revenue

IBD biologic drugs and administration under-billed in the infusion suite

07

Slow, aggressive payer audits

High-volume endoscopy practices flagged for post-payment review and recoupment

THE STRUCTURAL LEAK Between 23% and 31% of GI practices using general billing companies carry systematic endoscopy bundling errors. This isn't a rounding error — it's a structural leak that repeats on every claim.
THE FOUR GI FAULT LINES

Why Gastroenterology Billing Trips Up General Billers — and Costs You Real Money

A general biller can process an office visit. Gastroenterology is a different animal, and the differences are exactly where the money is won or lost.

01 SCREENING → THERAPEUTIC

Your procedures convert mid-stream.

A colonoscopy scheduled as a preventive screening becomes therapeutic the moment a polyp is removed — and the code, the modifier, and the patient's cost-sharing all change with it. Handle it wrong and you either lose revenue or hand your patient a bill they legally shouldn't owe.

Preventive intentPolyp removalModifier changePatient cost protection
02 ENDOSCOPY EDIT LOGIC

Your codes bundle in complicated ways.

Endoscopy has its own bundling logic and multiple-scope payment rules that changed again for 2026. Report two procedures that can't be billed together and the claim denies; miss a separately billable service and you leave money behind. It takes GI-specific knowledge to walk that line correctly.

NCCI editsMultiple-scope rules2026 changesSame-session logic
03 SITE-OF-SERVICE

Your setting changes the claim.

Whether a procedure is done in your office, an ambulatory surgery center, or a hospital outpatient department changes what's payable and how it's split. Site-of-service errors are a quiet, recurring drain.

OfficeASCHospital outpatientProfessional/facility split
04 HIGH-DOLLAR BIOLOGICS

Your infusion suite is a second revenue operation.

If you treat IBD patients with biologics, you're effectively running a second, high-dollar billing operation — drug units, buy-and-bill, prior authorization, and wastage — that most general billers mishandle completely.

Drug unitsBuy-and-billPrior authWastage
WHY SPECIALIZATION MATTERS Getting the endoscopy coding, the modifiers, the bundling, and the infusions right isn't optional — it's the difference between a practice that's squeezed and one that keeps what it earns.
SCREENING-TO-DIAGNOSTIC CONVERSION LAB

The Screening-to-Diagnostic Colonoscopy Trap — and How We Close It

This is the single most common and costliest error in GI billing, so it deserves its own attention.

01
PREVENTIVE INTENT

The procedure starts as a screening.

A screening colonoscopy is a preventive service — the patient owes nothing. That preventive intent has to be captured before the procedure and carried through the claim.

SCHEDULING CONTROLScreening intent documented before the procedure.
RISK IF MISSEDThe claim begins without the story needed to protect the patient's cost sharing.
GI REVENUE CONTROL MATRIX

The Gastroenterology Billing Services We Provide

We don't offer a generic billing package with a GI label on it. Every service below is built specifically for how gastroenterology practices earn — and lose — revenue.

01 ENDOSCOPY CORE

Endoscopy & Colonoscopy Coding for GI.

Certified coders who read your operative notes and code every colonoscopy, EGD, ERCP, and endoscopic procedure to what was actually performed — with the multiple-scope and bundling rules applied correctly on every same-session claim. This is the core of your revenue, and it's where we're strongest.

ColonoscopyEGDERCPSame-session rules
02 CONVERSION CONTROL

Screening-to-Diagnostic Conversion & Modifier Management.

We manage the screening-versus-diagnostic distinction from scheduling through submission, applying modifier PT, 33, and the rest exactly right for each payer — so you capture full reimbursement and your patients never get a surprise bill.

PT33Payer-specificPatient protection
03 BUNDLING CONTROL

Endoscopy Bundling & NCCI Compliance.

We scrub every claim against the current NCCI endoscopy edits before it goes out, so you never trip a bundling denial and never leave a separately billable service uncaptured. Given that bundling errors affect up to a third of GI practices, this alone protects serious revenue.

NCCIBundlingSeparate servicePre-submission scrub
04 INFUSION SUITE

IBD Infusion & Biologics Billing.

If you run an infusion suite for Crohn's and ulcerative colitis patients, we handle it end to end — correct drug units, buy-and-bill, J-code accuracy, wastage documentation, and prior authorization — so your highest-dollar claims actually collect instead of leaking.

IBDJ-codesDrug unitsWastage
05 AUTHORIZATION

Prior Authorization for GI Procedures & Biologics.

We secure authorizations up front — for advanced procedures, imaging, and biologics — so care isn't delayed and claims don't deny at billing for something that should have been cleared at scheduling.

ProceduresImagingBiologicsScheduling control
06 FACILITY BILLING

ASC & Facility Billing for GI.

For practices with an ambulatory surgery center or hospital-based procedures, we handle the site-of-service coding and the professional-technical split so facility and physician claims don't overlap, duplicate, or leave gaps.

ASCHospital outpatientProfessional splitFacility split
07 DENIAL RECOVERY

Denial Management & Appeals for GI.

Our denial management team works every denied endoscopy claim to its root cause — bundling, screening conversion, documentation, medical necessity — fixes the process behind it, and appeals what's owed, so the same denial stops repeating.

BundlingConversionDocumentationAppeals
08 ANCILLARY REVENUE

Pathology & Ancillary Billing.

Biopsy pathology, capsule endoscopy, motility studies, breath tests, and other ancillaries coded and captured correctly, so nothing you performed goes unbilled.

PathologyCapsuleMotilityBreath tests
09 PAYER ACCESS

Provider Credentialing & Payer Enrollment for GI Practices.

We handle credentialing and enrollment for your gastroenterologists, advanced-practice providers, and your ASC — across every payer — and start new-provider enrollment at hire, so no one is performing procedures they can't yet bill for. Strong GI credentialing keeps your revenue flowing from a physician's first day.

GastroenterologistsAPPsASC enrollmentStart at hire
10 PERFORMANCE VISIBILITY

Reporting & Analytics for GI.

Clear monthly reporting on clean-claim rate, denial rate by category, screening-conversion accuracy, days in A/R, and revenue by procedure and provider — so you always know exactly how your practice is performing.

Clean claimsConversion accuracyA/R daysRevenue by procedure
FULL GI REVENUE CYCLE MANAGEMENT One team, one connected system, running your entire revenue cycle from scheduling to final payment.
WHAT YOU GET

What You Get When PerfectMBS Runs Your GI Billing

Beyond the individual services, here's what changes for your practice.

01
WHAT CHANGES

More from every high-value procedure.

Accurate coding, correct modifiers, and clean bundling mean each endoscopy is paid fully — not reduced, denied, or clawed back later.

Accurate codingCorrect modifiersClean bundlingFull reimbursement
02
WHAT CHANGES

Fewer denials, and fewer audits.

GI endoscopy is a top audit target. Complete documentation and compliant coding keep your denial rate low and your practice off the recoupment list.

Audit-readyComplete notesLow denialsNo recoupment gap
03
WHAT CHANGES

Protected patients, protected reputation.

Correct screening-conversion handling means your patients get accurate bills, not surprise charges — which protects the trust and referrals your practice depends on.

Accurate billsNo surprise chargesPatient trustReferrals
04
WHAT CHANGES

Captured infusion and ancillary revenue.

The IBD biologics, the pathology, the capsule studies — revenue that generalist billers routinely leave behind, we bring in.

IBD biologicsPathologyCapsule studiesAncillary capture
05
WHAT CHANGES

A lighter administrative load.

We take coding, claims, prior auth, appeals, and patient billing off your team, so your staff can focus on patients and procedures.

CodingPrior authAppealsPatient billing
THE GI RCM STANDARD More revenue, fewer denials, cleaner audits, and far less stress.
BUILT AROUND YOUR REAL GI OPERATION

Built for Every Gastroenterology Practice

Whether you're a solo gastroenterologist who needs the billing off your desk or a large group running multiple sites and an ASC, we build around how your practice actually operates — and scale with you.

01

Independent and multi-provider GI groups.

02

Practices with their own ambulatory surgery centers.

03

High-volume endoscopy practices.

04

IBD and infusion-focused centers.

05

Hepatology practices.

06

Academic and hospital-affiliated GI departments.

WHY PERFECTMBS

Why Gastroenterology Practices Choose PerfectMBS

01
WHY GI PRACTICES CHOOSE PERFECTMBS

We specialize in GI, not everything.

Endoscopy coding, screening conversions, bundling rules, infusion billing — this is what we do every day, and it shows up directly in your collections.

EndoscopyConversionsBundlingInfusion billing
02
WHY GI PRACTICES CHOOSE PERFECTMBS

We know your top payers, not just Medicare.

Commercial payer variation is where GI practices lose the most money. We maintain payer-specific rule libraries for your major carriers, so every claim is billed the way that payer actually pays.

Commercial payersRule librariesContract variationPayer-specific logic
03
WHY GI PRACTICES CHOOSE PERFECTMBS

We prove it before you commit.

The free audit shows you, in writing, the revenue we can recover — so you decide with real numbers, not promises.

Free auditWritten findingsRecovery estimateReal numbers
04
WHY GI PRACTICES CHOOSE PERFECTMBS

We earn the relationship every month.

Transparent pricing, honest reporting, and no long-term contract locking you in. If we're not improving your collections within 90 days, you're free to leave. We're confident enough to work that way.

Transparent pricingHonest reportingNo lock-in90-day standard
05
WHY GI PRACTICES CHOOSE PERFECTMBS

We get paid when you get paid.

Our incentives are tied to your revenue, so we're driven to collect every dollar you've earned.

Aligned incentivesCollectionsPerformanceAccountability
GETTING STARTED IS SIMPLE

From Free Audit to Cleaner Endoscopy Revenue in Four Stages

A simple transfer board shows the timing, the handoff, and the result of every stage.

01 5 minutes

Request your free billing audit.

Tell us about your practice, your procedure mix, and whether you run an ASC or infusion suite — a five-minute form. We confirm within one business day.

Procedure mixASCInfusion suiteBiggest concern
STAGE RESULT Audit confirmed within one business day.
02 About one week

See your findings in writing.

Within about a week, you'll get a clear picture of where you're losing revenue — screening conversions, bundling, undercoded procedures, uncaptured infusions — and how much we can recover. Yours to keep.

Conversion reviewBundling reviewUndercodingInfusion leakage
STAGE RESULT A written leakage and recovery report that is yours to keep.
03 2–3 weeks

We take over — smoothly.

We work inside your existing system, so nothing changes about your schedule or your endoscopy suite. Most practices are fully live in two to three weeks, with no gap in claims.

Existing EHRNo schedule changeNo claim gapControlled transition
STAGE RESULT Your endoscopy schedule keeps moving while billing transitions.
04 Every month

You watch the numbers climb.

Every month, you see higher collections, fewer denials, cleaner audits, and a lighter load on your team.

CollectionsDenialsAudit qualityTeam workload
STAGE RESULT Measured financial improvement and cleaner claim performance.
GASTROENTEROLOGY BILLING QUESTIONS

Gastroenterology Billing Questions, Answered

A screening colonoscopy is preventive — done on a patient with no symptoms — and is covered at no cost to the patient. A diagnostic colonoscopy investigates a symptom or finding, and normal cost-sharing applies. The tricky part is conversion: when a screening finds and removes a polyp, it becomes therapeutic, the code changes, and a specific modifier must be applied to preserve the patient's cost protection. Handling that correctly is one of the most valuable things a GI billing team does.

FINAL CTA

Ready to Keep Everything Your Endoscopy Suite Earns?

Your gastroenterologists do the demanding, high-skill work — the scopes, the interventions, the care that catches cancer early and keeps IBD patients living well. You shouldn't lose a slice of that hard-earned revenue to a screening modifier, a bundling edit, or an infusion claim your biller didn't understand. Our gastroenterology billing services make sure every procedure is billed fully, paid correctly, and protected from the audits and errors that cost GI practices the most.

Start with the free audit. See the number. Then decide.
WHAT THE FREE AUDIT REVIEWS
Screening conversions PT and 33 usage Endoscopy bundling Procedure undercoding ASC and site of service Infusion and biologics Prior authorization Denials and A/R
FREE GASTROENTEROLOGY BILLING AUDIT

See Where Your Endoscopy Revenue Is Leaking

Share a few details about your practice. The written findings and recovery estimate are yours to keep.

No cost. No obligation. Written findings are yours to keep.
FREE AUDIT Conversions, bundling, undercoding, infusions, and denials
WRITTEN FINDINGS Procedure-level leakage and recovery opportunity quantified clearly
YOU DECIDE No cost, no obligation, no long-term trap