Optimized Gastroenterology Billing Services
Gastroenterology billing is one of the most complex and documentation-heavy specialties in healthcare who often face reimbursement challenges like coding mistakes, denied claims, and complex payer rules. They quietly steal 10–15% of your revenue. We stop that loss with accurate coding, faster payments, and billing that flows smoothly.
Why Do Gastroenterology Practices Need a Billing Experts
Gastroenterology providers deserve a billing partner who actually understands their specialty, they should not treat GI claims like primary care. As a professional team we help you to solve your problems. Our team of gastroenterology billing and coding includes certified professional coders with hands-on experience across the full spectrum of GI procedures, from routine screening colonoscopies and upper endoscopies to complex interventional work like polypectomy, dilation, and hemorrhoid banding. We have spent years studying payer behavior, denial patterns, and audit trends specific to gastroenterology, and that knowledge directly translates into stronger collections for your practice.
We actively track every submission, work every denial, and provide transparent reporting so you always know where your revenue stands. Practices that have moved to Stream RCM typically see measurable improvements in net collections within the first 60 to 90 days. Our account managers become an extension of your team. They are responsive, proactive, and deeply familiar with the operational rhythms of a busy GI practice. When payer rules shift or new codes roll out, we are already ahead of the curve so your claims are not caught off guard.
High-Performance Gastroenterology Medical Billing Services for Subspecialty Providers
Stream RCM handles billing across every gastroenterology subspecialty each with its own coding complexity, payer requirements, and documentation standards that demand dedicated expertise.
Hepatology Billing
We accurately code liver disease diagnoses including cirrhosis, hepatitis, and NAFLD at the highest ICD-10 specificity, ensuring every hepatology encounter is documented and reimbursed without medical necessity disputes.
Inflammatory Bowel Disease (IBD) Billing
IBD billing involves biologic infusion claims, high-cost authorization requirements, and frequent payer reviews. We manage every step from prior authorization to remittance, protecting reimbursement for Crohn’s and ulcerative colitis patients.
Advanced Interventional Endoscopy Billing
Complex interventional procedures like ESD, POEM, and per-oral endoscopy require precise multi-component CPT sequencing. We capture every add-on code and attach complete operative documentation to prevent underpayment on high-value claims.
Neuro gastroenterology and GI Motility Billing
Motility studies including esophageal manometry, gastric emptying scans, and anorectal testing carry specific CPT codes and documentation requirements. We submit each study with the clinical findings needed to satisfy payer medical necessity standards.
Gastrointestinal Oncology Billing
GI oncology encounters involve complex diagnosis coding, infusion therapy claims, and multidisciplinary visit billing. We handle every component accurately, ensuring cancer-related GI claims are fully reimbursed without delays or compliance exposure.
Pediatric Gastroenterology Billing
Pediatric GI billing follows distinct age-based CPT guidelines and payer-specific coverage rules that differ significantly from adult gastroenterology. We apply correct pediatric codes and documentation standards so claims clear adjudication cleanly the first time.
Streamlined Gastroenterology Revenue Cycle Management That Delivers Results
Claim Submission Management
We prepare and submit clean GI claims on the same business day, applying the correct payer-specific edits to eliminate preventable rejections before they reach the clearinghouse.
Denial Resolution Workflow
Every denial is triaged, root-caused, and appealed within 48 hours using documented clinical evidence, payer policy citations, and escalation pathways when standard appeals are insufficient.
Payment Posting Accuracy
We reconcile every ERA and EOB payment posting procedures to confirm actual payments match contracted rates, flagging underpayments and filing adjustments to recover the difference on your behalf without delays.
Prior Authorization Support
Our team manages authorization requests for high-cost GI procedures including EUS, ERCP, and capsule endoscopy, tracking timelines and following up proactively to prevent scheduling disruptions.
Patient Balance Billing
We handle patient statements, payment plan setup, and balance follow-up in a respectful and compliant manner that protects both your patient relationships and your practice's collection rate.
Payer Contract Analysis
We review your contracted fee schedules against actual reimbursements to identify systematic underpayments and support renegotiation conversations with data that strengthens your position.
Ready to See Your Practice's Revenue Gap?
We will conduct a complimentary billing audit and show you exactly where your current process is costing you reimbursement.
What Happens When Gastroenterology Practices Switch to Stream RCM
A four-physician gastroenterology group in the Southeast has an in-house billing team but they can’t generate revenue they deserve. But after transitioning to our gastroenterology billing and coding team, their net collection rate had climbed to 91%, their average days in accounts receivable dropped from 52 to 29, and their denial rate fell from 28% to under 6%.
The improvement was not magic, it was a process. We started with a complete billing audit, identified the three most common denial reasons (missing modifier 33, incorrect bundling of polypectomy add-ons, and inconsistent anesthesia documentation), and built a targeted correction workflow around each one. We also renegotiated two commercial payer contracts where reimbursement had not been updated in four years, adding approximately $180,000 in annualized net revenue that the practice was simply leaving uncollected. This is what gastroenterology medical billing services look like when executed with real expertise and accountability.
Our Gastroenterology Billing and Coding Services
Procedure Category
Code(s)
Clinical and Billing Context
Colonoscopy
45378
45393
These codes cover the diagnostic and interventional range of lower GI endoscopy. We use modifier 59 on same-session add-ons, along with accurate bundling decisions for polypectomy and biopsy
Upper GI Endoscopy
43239
43259
Upper endoscopy claims require precise differentiation between diagnostic EGD and therapeutic encounters involving biopsy or dilation.
ERCP Procedures
43260
43278
ERCP coding demands careful selection between biliary and pancreatic pathway codes when stent placement, sphincterotomy, or stone removal occurs during the same session.
Endoscopic Ultrasound
43237
43242
EUS claims frequently include fine needle aspiration that require separate CPT reporting alongside the primary imaging code.
Capsule Endoscopy
91110
91111
Small bowel capsule imaging requires thorough documentation of the clinical indication typically obscure GI bleeding or suspected Crohn’s disease.
Moderate Sedation
99151
99153
When the performing physician provides moderate sedation separately from the procedure itself, these codes apply to the initial and each additional 15-minute interval.
Our Gastroenterology Billing and Coding Services
Procedure Category
Colonoscopy
Code(s)
45378
45393
Clinical and Billing Context
These codes cover the diagnostic and interventional range of lower GI endoscopy. We use modifier 59 on same-session add-ons, along with accurate bundling decisions for polypectomy and biopsy
Procedure Category
Upper GI Endoscopy
Code(s)
43239
43259
Clinical and Billing Context
Upper endoscopy claims require precise differentiation between diagnostic EGD and therapeutic encounters involving biopsy or dilation.
Procedure Category
ERCP Procedures
Code(s)
43260
43278
Clinical and Billing Context
ERCP coding demands careful selection between biliary and pancreatic pathway codes when stent placement, sphincterotomy, or stone removal occurs during the same session.
Procedure Category
Endoscopic Ultrasound
Code(s)
43237
43242
Clinical and Billing Context
These codes cover the diagnostic and interventional range of lower GI endoscopy. We use modifier 59 on same-session add-ons, along with accurate bundling decisions for polypectomy and biopsy
Procedure Category
Capsule Endoscopy
Code(s)
91110
91111
Clinical and Billing Context
Small bowel capsule imaging requires thorough documentation of the clinical indication typically obscure GI bleeding or suspected Crohn’s disease.
Procedure Category
Moderate Sedation
Code(s)
99151
99153
Clinical and Billing Context
When the performing physician provides moderate sedation separately from the procedure itself, these codes apply to the initial and each additional 15-minute interval.
Gastroenterology Billing Has Already Changed in 2026 — Is Your Practice Keeping Up?
The 2026 Medicare Physician Fee Schedule did not arrive quietly. Between a revised conversion factor, efficiency-based RVU reductions on endoscopic work, and several new procedure codes entering active use, gastroenterology practices are navigating one of the more significant reimbursement shifts in recent years. The practices that notice these changes last are the ones that feel them most in their collections.
Medicare rate moves
to $33.40
The 2026 conversion factor increases to $33.40, but a 2.5% efficiency reduction applied directly to endoscopic work RVUs offsets a meaningful portion of that gain for most GI practices before the first claim is even submitted.
CPT 43889 — Endoscopic Sleeve Gastroplasty
The introduction of Category I code 43889 brings a formally reimbursable pathway for endoscopic sleeve gastroplasty procedures. Practices offering this service now have a dedicated billing route, but only if their claims reflect the updated documentation requirements from day one.
Anorectal physiology codes revised
Updated anorectal physiology CPT codes replace several legacy descriptors that had grown misaligned with how these studies are actually performed. Practices still billing under the old code set risk systematic underpayment or outright denials as payers enforce the new mapping.
In-office procedure payments restructured
Revised facility and non-facility payment differentials for in-office GI procedures are changing the financial calculation for procedures performed outside a hospital or ASC setting and practices that have not recalculated their collections expectations will likely see discrepancies they cannot explain.
Billing Solutions That Fit Smoothly into Your Existing Workflow
Our professionals seamlessly link your EHR, practice management platform, and billing software. Operations continue without interruption. We handle the technical side so your staff never misses a beat.
CPT Certified
Bundling Edits Expertise
Payer-Specific LCDs
Audit-Ready Documentation
Gastroenterology Billing Done with Full Regulatory Confidence
Compliance is not a checkbox at Stream RCM, it is built into every step of how we handle GI claims and coding. Our GI coding team holds active CPC or CCS credentials and completes annual specialty training to stay current with CPT changes and payer policy updates. As a professional Gastroenterology Billing company, we handle all patient data through encrypted, access-controlled systems that meet HIPAA Privacy and Security Rule requirements without exception. Every claim, appeal, and payer communication is fully documented, so your practice stays audit-ready for RAC reviews or OIG inquiries at all times. We also monitor Local and National Coverage Determinations affecting GI procedures and update our billing protocols immediately when Medicare or Medicaid policies shift. You get gastroenterology billing with full regulatory confidence, every step of the way.
Specialized Solutions for Everyday Gastroenterology Billing Challenges
We solve daily GI billing problems with precise coding, careful documentation reviews, and steady follow-up on every claim from start to payment.
Core Performance Indicators for a Healthier Gastroenterology Practice
Every number we track directly links to a billing decision or a recovery opportunity for your gastroenterology practice.
Net Collection Rate
The percentage of collectible charges below 95% for a gastroenterology practice typically indicates systematic coding or denial management failures that Stream RCM will identify and correct.
Days in A/R
After reducing the number of delayed claim submission, incomplete documentation, or inadequate follow-up on pending claims directly improves practice cash flow without adding a single new patient to the schedule.
Denial Rate by Payer
Tracking denials at the payer level reveals which insurance relationships are underperforming and whether the root cause is a billing issue, a coding issue, or a contract issue requiring renegotiation or escalation through formal dispute channels.
First-Pass Resolution
The percentage of claims paid on initial submission is one of the clearest indicators of coding accuracy and front-end billing quality. GI practices working with us consistently achieve first-pass rates above 94% across all payer categories.
Frequently Asked Questions (FAQs)
How quickly can Stream RCM onboard our gastroenterology practice?
Most GI practices are fully onboarded within two to three weeks. This includes a billing audit, credentialing review, fee verification, and workflow setup with minimal disruption.
What GI procedures do you have experience in coding?
We code colonoscopy, EGD, ERCP, EUS, capsule endoscopy, manometry, liver biopsy, hemorrhoid banding, dilations, pathology, office visits, and infusion therapy for IBD patients.
How do you handle GI claim denials?
Every denied claim is reviewed within 24 hours, categorized, and assigned for appeal. We track denials on a dashboard and feed data back to prevent repeat errors.
Can you help with colonoscopy screening-versus-diagnostic billing disputes?
We cover behavioral health, family practice, gastroenterology, optometry, urgent care, general surgery and long-term care. Our customized billing systems accommodate the specialty needs of practices, facilitating the enhancement of efficiency, accuracy, compliance, and revenue at practices.
Is our GI practice data secure when we outsource gastroenterology billing services to Stream RCM?
Absolutely. We operate under a BAA with every client. All data is handled through HIPAA-compliant, encrypted systems with role-based access and full audit logs.
Leave the Billing Burden Behind and Prioritize Patient Care
Partner with a billing team that has built its entire process around gastroenterology. Start recovering the revenue your practice deserves.
