Confirms coverage and flags authorization requirements for chemotherapy, biologic, and radiation therapy regimens before the first treatment is scheduled.
Oncology Medical Billing Services
Oncology Medical Billing Services for Chemotherapy, J-Codes & Radiation Therapy
From chemotherapy infusion and biologic drug administration to radiation treatment planning and delivery, we bill every corner of an oncology practice’s revenue cycle.
Certified Billing & Coding Support
HIPAA-Conscious Workflows
Infusion Claim Follow-Up
Most Billing Software Supported
🔒 100% confidential. We never sell your data. Privacy Policy
How We Help
How We Support Oncology Practices
Thrive manages the billing side of your oncology practice so your physicians and infusion staff can stay focused on treatment instead of chasing payers. That means pairing every chemotherapy administration code with the correct J-code and unit count, applying JW or JZ on every applicable drug claim, and securing prior authorization before treatment begins rather than fighting a denial after the drug has already been purchased.
Practices that choose Thrive as their oncology medical billing company get a team that already knows chemotherapy versus non-chemotherapy infusion classification, NCCN Compendia citation for off-label regimens, and radiation treatment management timing rules, instead of a generalist biller learning oncology claim by claim. Whether your practice runs medical oncology, radiation oncology, or both, the coding rules overlap enough to share one trained team and diverge enough that generalist billers consistently get them wrong.
HIPAA compliant
Certified Professional Coders
Nationwide Payer Coverage
95%+ clean claim rate across chemotherapy, biologic, and radiation therapy claims submitted the first time
Claims out the door within 48 hours of a completed encounter
AR held under 30 days on average instead of aging past 60 or 90
Practices typically see a revenue lift approaching 30% after onboarding
Oncology Billing and Coding
End-to-End Oncologist Revenue Cycle Management
Medical billing for oncology carries some of the highest dollar values and highest denial stakes of any specialty, a single denied drug claim can represent tens of thousands of dollars the practice already spent to acquire it. Here is what we handle from the first eligibility check to the final payment.
Eligibility & Benefit Verification
Prior Authorization
Secures and tracks authorization for high-cost drug regimens and radiation therapy courses, including re-authorization when a treatment plan changes mid-course.
Claims Submission & Scrubbing
Checks every administration code, J-code unit calculation, and modifier against documentation before a claim leaves the building.
Denial Management & Appeals
Traces denials to their actual cause, whether a prior auth gap or a unit calculation error, and appeals with NCCN citation or payer-specific documentation.
AR Follow-Up
Works high-dollar drug and radiation claims on a set schedule so buy-and-bill cash flow exposure does not compound past 30 days.
Patient Statements & Collections
Bills patients clearly for the portion insurance does not cover on high-cost regimens, backed by proper documentation.
Payment Posting & Reconciliation
Reconciles drug reimbursement against acquisition cost, so underpayment on expensive chemotherapy and biologic drugs gets caught early.
Credentialing & Payer Enrollment
Keeps oncologists and radiation oncologists credentialed and enrolled with the payers your patients actually carry.
Reporting
Regular reporting on claim status, denial trends, and AR aging broken out by drug, infusion, and radiation therapy categories.
Oncology Medical Coding
Oncology CPT and HCPCS Coding Reference
A quick reference to how oncology billing codes are organized, not a substitute for chart documentation. Useful for seeing where a specific claim fits before it is coded.
- 99202 - 99215
E/M Office Visits
New and established patient visits for treatment planning, side effect management, and follow-up
- 96401 - 96402
Chemotherapy Injection
Subcutaneous or intramuscular administration of anti-neoplastic drugs
- 96409 - 96411
Chemotherapy IV Push
Intravenous push administration of a single or additional chemotherapy agent
- 96413 - 96417
Chemotherapy IV Infusion
Initial hour, additional hour, and additional sequential drug infusion of chemotherapy or chemo-classified biologic agents
- 96360 - 96368
Non-Chemotherapy Infusion & Hydration
Infusion of supportive drugs such as antiemetics, hydration, and non-chemo biologics, billed separately from chemotherapy administration
- 96372 - 96379
Therapeutic & Prophylactic Injections
Non-infusion injections for supportive medications given before, during, or after treatment
- J-Codes
Drug & Biologic Administration
HCPCS Level II codes identifying the specific chemotherapy or biologic drug and dose administered
- 38220 - 38222
Bone Marrow Biopsy & Aspiration
Diagnostic bone marrow sampling procedures used in hematologic cancer workup
- 77261 - 77299
Radiation Treatment Planning
Simulation and dose planning services performed before radiation delivery begins
- 77402 - 77412
Radiation Treatment Delivery
Daily radiation treatment sessions, coded by technique and complexity level
- 77427
Radiation Treatment Management
Weekly physician oversight of radiation therapy, billed per group of five fractions delivered
- 77750 - 77799
Brachytherapy
Implantation of radioactive sources within or near the tumor site for localized treatment
What is the difference between a CPT administration code and a J-code?
The CPT code reports the clinical service, the infusion, push, or injection, and the nursing time and monitoring it required. The J-code reports the specific drug and dose that was administered. Both are required on the same claim for chemotherapy and most biologic drugs, and the units billed on the J-code line must match the documented dose converted to that drug's specific billing increment.
What is the NCCN Compendia and why does it matter for billing?
The National Comprehensive Cancer Network Compendia is an evidence-based reference many payers use to determine whether a chemotherapy regimen is medically necessary, including uses outside the drug's original FDA-approved indication. When a regimen is prescribed off-label, citing the relevant NCCN Compendia listing in the documentation is often what separates a paid claim from a denial.
Denial Patterns
What Leads to Oncology Claim Denials
These are not generic billing problems. Each one is specific to how payers adjudicate chemotherapy, drug, and radiation therapy claims.
Missing or Expired Prior Authorization
Nearly all chemotherapy, biologic, and targeted therapy drugs require prior authorization from commercial payers, and a claim submitted after authorization expires or without one on file is denied regardless of medical necessity.
J-Code Unit Calculation Errors
J-code units must match the exact administered dose converted to the HCPCS descriptor’s defined increment, and a mismatched conversion is one of the most common drivers of high-dollar oncology payment denials.
Missing JW or JZ Modifier
CMS requires either JW or JZ on every single-dose vial J-code claim, and claims submitted without one for a covered drug face rejection or a recoupment audit.
Chemotherapy vs. Non-Chemotherapy Misclassification
Billing a supportive drug such as an antiemetic under a chemotherapy administration code instead of the non-chemotherapy infusion code, or the reverse, results in incorrect reimbursement under payer classification rules.
Radiation Treatment Management Billed Too Early
Weekly radiation treatment management can only be billed after the fifth fraction of that week has actually been delivered, and billing it on a calendar assumption instead of a confirmed fraction count triggers an automated denial.
Off-Label Regimen Documentation Gaps
Regimens used outside FDA-labeled indications are only reimbursed when supported by NCCN Compendia or similar evidence-based citation in the documentation, and claims without that citation are denied as not medically necessary.
Infusion Time Documentation Gaps
Chemotherapy infusion coding depends on documented start and stop times, and a record that states only that the infusion was completed, without timestamps, cannot support the initial versus additional hour code billed.
Buy-and-Bill Cash Flow Exposure
A single denied high-cost drug claim can represent tens of thousands of dollars the practice already paid to acquire, and without fast denial resolution that cash flow gap compounds across a busy infusion schedule.
Our Process
Our Oncology Billing Process
Every step below exists because of a specific denial pattern above. Nothing here is generic.
Eligibility & Prior Auth Clearance
We confirm coverage and secure authorization for chemotherapy regimens, biologics, and radiation therapy before treatment begins, since expired or missing authorization cannot be fixed after the fact.
Oncology-Trained Coding Review
Every claim is coded by billers who classify chemotherapy versus non-chemotherapy infusions correctly and calculate J-code units against the exact administered dose.
Pre-Submission Modifier & Documentation Scrubbing
Claims are checked for JW and JZ accuracy, infusion time documentation, and fraction-count timing on radiation management codes before they reach a payer.
Clean Claim Submission
Corrected claims go out within 48 hours, keeping your oncology billing cycle moving instead of sitting in a queue.
Denial Root-Cause & Appeal
Any denial is traced to its actual cause, an authorization gap, a unit calculation error, or a missing medical necessity citation, and appealed with the documentation that specific payer requires.
AR Follow-Up & Reporting
High-dollar drug claims are worked on a set follow-up schedule given the cash flow exposure of buy-and-bill, with regular reporting back on where your numbers stand.
Why Thrive
Why Oncology Practices Choose Thrive
Practices that switch to Thrive get an oncology billing company built around J-code accuracy and prior authorization specifically, not generic revenue cycle coverage stretched across every specialty.
Oncology-Focused Coding Expertise
Coders who classify chemotherapy versus non-chemotherapy infusions and calculate J-code units correctly, not as one specialty among a dozen others.
HIPAA Compliance at Every Step
Patient data is handled under strict HIPAA safeguards across intake, coding, and reporting, regardless of practice size.
Nationwide Payer Experience
Claims experience across Medicare, Medicare Advantage, and commercial payers in all 50 states, not just regional plans.
Transparent, Regular Reporting
You get consistent visibility into claim status, denial trends, and AR aging, communicated directly by your billing team.
Audit-Ready Documentation
Coding and modifier decisions are documented in a way that holds up if a payer ever asks questions later, which matters most given how heavily J-code units and radiation timing get audited.
Audit-ready documentation trail
Billing actions, payer responses, corrections, appeals, and account notes are recorded so the practice can understand how a balance moved and why.
Talk to a Specialist
Talk to an Oncology Billing Expert
We will look at your current claim volume, denial patterns, and drug spend, infusion heavy, radiation heavy, or general, and put together a custom fee schedule and a revenue recovery estimate. No obligation.
- Free 15-Minute Practice Revenue Review
- Custom fee schedule based on your claim volume and drug spend
- No disruption to your current documentation process
Book Your Free Oncology Revenue Analysis
Schedule a 15-minute meeting to review where oncology claims, denials, drug billing issues, and AR follow-up are slowing collections.
🔒 100% confidential. We never sell your data. Privacy Policy
FAQ
Oncology Billing FAQs
How much does oncology medical billing cost?
Fee structures are typically based on a percentage of collections and are set after we review your claim volume and drug spend, since a high-volume infusion practice bills very differently than a radiation-only or consultation-focused office. You get a custom fee schedule after your Free 15-Minute Practice Revenue Review, with no obligation to sign anything.
How long does onboarding take?
Most oncology practices are fully onboarded within one to two weeks. We start with a free billing audit to see where claims are getting stuck, then align our coding and submission workflow to your current documentation process, with no disruption to your daily infusion or treatment schedule during the switch.
Can you take over our existing AR and open claims?
Yes. We review your open AR, including anything already aged past 30 or 60 days, and prioritize the claims most likely to be recovered first. Older chemotherapy, biologic, and radiation therapy claims often still qualify for appeal well past their original denial date.
Do you bill J-codes and drug waste correctly?
Yes. Our coders calculate J-code units against the exact administered dose, apply modifier JW for discarded drug or JZ to confirm zero waste on every applicable single-dose vial claim, and pair each drug code with the correct chemotherapy or non-chemotherapy administration code.
How do you handle denied claims and appeals?
Every denial is traced back to its actual cause, a prior authorization gap, a J-code unit error, or a missing medical necessity citation, before we resubmit anything. We then file the appeal with the documentation that specific payer requires, rather than resending the same claim and hoping for a different result.
Is our patient data handled securely?
Yes. Patient data is handled under HIPAA safeguards across intake, coding, and reporting, and our billing team follows the same compliance standards regardless of practice size or claim volume.
How do we track our numbers?
You receive regular reporting covering claim status, denial trends, and AR aging, plus a direct line to your billing team any time you have a question about a specific claim. Nothing about your numbers lives in a black box you have to dig through yourself.
Do you work with oncology practices in every state?
Yes. Our team supports medical oncology, radiation oncology, and hematology-oncology practices across all 50 states and works with Medicare, Medicare Advantage, and commercial payers nationwide. Your location does not change how thoroughly we work your claims or how quickly you get paid.
Free Revenue Analysis
Give Oncology Billing the Follow-Up High-Value Claims Require
When infusion claims, drug billing, authorization gaps, payment discrepancies, patient balances, and aging AR compete for attention, Thrive brings structure to the billing workflow. Start with a free 15-minute Revenue Analysis.
- HIPAA Compliant
- Certified Billing & Coding Support
- Works With Most Billing Software
- Nationwide Support