Add your company in 30 seconds Add Company
  1. Home
  2. Services
  3. Rheumatology
Rheumatology billing

Rheumatology Billing Services

Biologic infusions, joint injections and chronic-disease visits make rheumatology billing drug-heavy and authorization-heavy. Specialist billers protect every infusion.

  • Biologic and infusion billing with J-codes and NDCs
  • Prior authorizations and step-therapy requirements managed
  • Joint injections and ultrasound guidance coded correctly

Get a free rheumatology billing audit

We'll review your denials and A/R and match you with specialists. No obligation.

HIPAA-aware. We never share your details.

96%
Clean-claim rate target
30%
Fewer biologic denials
< 35
Days in A/R goal
Overview

Why rheumatology billing needs specialists

Rheumatology practices manage chronic autoimmune diseases with biologic drugs, many given as in-office infusions or injections. These drugs are expensive and require prior authorization, documented step therapy, and regular re-authorization. A missed renewal can leave the practice with an unpaid drug bill.

Infusion administration codes depend on whether the drug is classified as a complex biologic, as well as on documented start and stop times. Drugs are billed in specific HCPCS units with NDCs, and Medicare requires wastage modifiers for single-dose vials.

Rheumatologists also perform joint aspirations and injections, often with ultrasound guidance, and order bone density scans and specialized lab tests. A rheumatology billing partner coordinates authorizations, drug billing and procedure coding while tracking patient assistance programs that reduce out-of-pocket costs.

Why it's hard

Common rheumatology billing challenges

01

Biologic prior authorizations

Initial and renewal authorizations require lab results and failed-therapy history.

02

Step therapy and formularies

Payers require cheaper alternatives first or prefer specific biosimilars.

03

Infusion coding

Complex biologic infusions use different administration codes than hydration or simple drugs.

04

Drug units and NDCs

Units must match HCPCS descriptors and administered amounts.

05

Joint injection bundling

Ultrasound guidance and multiple joints need correct codes and modifiers.

06

Patient affordability

High coinsurance requires copay programs and accurate estimates.

What's included

What a rheumatology billing partner should handle

  • Benefits checks and biologic coverage verification
  • Prior authorization and renewal tracking
  • Infusion administration and drug coding
  • Buy-and-bill vs. specialty pharmacy coordination
  • Joint aspiration and injection coding
  • DXA and lab billing support
  • Copay assistance enrollment
  • Denial management and appeals
  • Patient estimates and statements
  • Drug margin and infusion volume reporting
Coding focus

Key codes in rheumatology billing

Code(s)What it covers
96413 / 96415Infusion of chemotherapy or complex biologic agents, first hour and each additional hour.
96365 / 96366Therapeutic IV infusion, first hour and each additional hour.
J1745Injection, infliximab, excludes biosimilar, 10 mg.
J0129Injection, abatacept, 10 mg.
20610 / 20611Major joint arthrocentesis or injection, without / with ultrasound guidance.
20605Intermediate joint arthrocentesis or injection without ultrasound guidance.
77080DXA bone density study, axial skeleton.

Code examples are for orientation only. Always code from the current CPT®, HCPCS and ICD-10-CM code sets and payer policies.

Track every authorization date

Biologic authorizations often expire after six or twelve months. Keep a calendar of renewals and lab requirements so treatments are never given without valid approval.

How it works

Find the right billing partner in four steps

1

Share your goals

Tell us your specialty, monthly claim volume, EHR and the problems you want fixed, denials, slow A/R or staffing gaps.

2

Get a free audit

We review a sample of your claims and aging report to show where revenue is leaking and what a specialist could recover.

3

Compare vetted companies

Shortlist billers with proven rheumatology experience, transparent pricing and verified client reviews.

4

Onboard with confidence

Sign a BAA, connect your EHR and clearinghouse, and track clean-claim rate, days in A/R and collections from month one.

Compare

Top-rated medical billing companies

Billing companies listed on BillerFirms, ranked by client reviews. Ask each one about their rheumatology experience.

See all companies
5.0 5 reviews

Who We Are We are Prime Medical Billing Solutions, LLC, a results-driven medical billing and revenue cycle partner headquartered in Atlanta, Georgia. Since about 2015, we have operated with the belief that true value lies in partnering, rather than merely contracting, with providers to ensure personalized attention and peak revenue performance. Founded by seasoned billing professionals with 20+ years of combined expert experience, our home office in Atlanta supports both individual practices and larger provider groups. Our team is passionate about maximizing reimbursements and simplifying the billing journey step by step. What Services We Offer We provide a comprehensive suite of services designed to optimize every phase of the revenue cycle: Claims processing & billing management, including electronic, UB‑04, and HCFA‑1500 formats Accounts receivable and collections, focusing on paid-to...

Atlanta, Georgia
Founded 2015
Claims ProcessingDenial ManagementCredentialing (Payer & License)
No reviews yet

GreenSense Billing is a trusted leader in medical billing and revenue cycle management, providing comprehensive solutions tailored to the unique needs of healthcare providers across the United States. Our mission is to streamline administrative complexities, optimize reimbursements, and enhance financial performance, allowing medical professionals to focus on delivering exceptional patient care. Our Services • We offer end-to-end medical billing and revenue management solutions, including: •  Medical Billing & Coding - Accurate claims processing to maximize reimbursements and minimize denials. •  Revenue Cycle Management (RCM) - A holistic approach to managing claims, payments, and collections. •  Provider Credentialing - Seamless enrollment with insurance networks to ensure timely reimbursements. •  Financial Solutions - Data-driven insights and financial reporting to optimize practice...

Las Vegas, Nevada
Founded 2003
Claims ProcessingDenial ManagementRevenue Cycle Management
No reviews yet

Let’s face it, medical billing shouldn’t be the most challenging part of running a practice. At Medical Lean Management, we take the chaos out of revenue cycle management so you can get back to what matters: delivering excellent patient care. Based in Corona, California, we’re not just another faceless billing company, we’re your partners in efficiency, here to simplify the financial side of healthcare. Why Us? Because We Get It. Paperwork piles up. Claims get denied. Regulations keep changing. It’s enough to make anyone’s head spin. That’s where we step in. We don’t just process claims, we optimize your entire revenue cycle, cutting through the red tape to get you paid faster and with fewer headaches. Our goal? To make your billing so smooth, you’ll wonder how you ever managed without us. Here’s How We Help: ✔ Fewer Denials, More Revenue - Our precision-driven approach slashes claim den...

Corona, California
Founded 1994
Claims ProcessingDenial ManagementRevenue Cycle Management
No reviews yet

Overview & Mission Access Revenue Hawaii, founded in 2022 in Holualoa, Hawai‘i, is a specialized medical billing and revenue cycle management (RCM) company with a primary focus on behavioral and mental health providers. Drawing deeply from social work roots, the leadership team recognized the administrative friction mental health professionals face, credentialing delays, complex payer regulations, EMR documentation requirements, and chose to build a firm that helps clinicians focus fully on patient care. Their mission centers on removing financial and operational barriers so therapists, counselors, and behavioral health groups can thrive financially while delivering quality care to Hawai‘i’s communities. Origin Story & Local Presence The company was born out of a clear insight: behavioral health providers in Hawai‘i suffer unique administrative challenges. From intricate Medicaid billing...

Chandler, Arizona
Founded 2007
Claims ProcessingDenial ManagementRevenue Cycle Management
Pricing

How much does rheumatology billing cost?

Most billing companies charge a percentage of what they actually collect, so their incentive matches yours. Complex specialties sit at the higher end of the range because of prior authorizations, modifiers and appeal work.

Percentage of collections
4% - 7%

Most common. You pay only on money collected.

Per claim
$4 - $10

Predictable for high-volume, low-complexity claims.

Hourly / FTE
$12 - $35/hr

Dedicated billers working inside your systems.

Typical market ranges; actual quotes depend on claim volume, payer mix and scope. Compare quotes from several companies.

FAQ

Rheumatology billing FAQs

With the drug’s HCPCS code in the correct units plus NDC, and an infusion administration code based on drug classification and documented time.

Common causes include expired authorizations, step-therapy requirements not met, incorrect units and missing NDC information.

No, codes such as 20611 include ultrasound guidance with permanent recording and reporting.

Yes, by enrolling eligible patients in manufacturer copay and foundation assistance programs.

Yes, billers coordinate whether drugs are bought and billed by the practice or supplied through specialty pharmacies.

Typically 4% to 7% of collections.

Related billing services

Stop leaving rheumatology practices revenue on the table

Get a free audit and compare specialist billing companies, no obligation.

Get my free audit