Radiology billing companies serve one of the most authorization-intensive specialties in outpatient healthcare. Major commercial payers — including UnitedHealthcare, Cigna, and Aetna — require prior authorization for high-cost imaging studies including MRI, CT, and PET scans, and they administer these programs through specialty radiology benefit managers (RBMs) that apply clinical criteria algorithms to each request. The result is a billing environment where authorization management is not a background task but a central operational function.
The American College of Radiology (ACR) reports that prior authorization for imaging services has increased substantially over the past decade, with 93% of radiologists surveyed in 2023 reporting that prior authorization causes delays in patient care, and 46% reporting that required care was abandoned by the patient after authorization delays.
The Authorization Burden in Radiology Billing
Radiology prior authorization is distinctive in several ways. Unlike specialty care authorizations that might be renewed annually, imaging authorizations are procedure-specific and study-specific — a single authorization approved for a lumbar spine MRI does not cover a cervical spine MRI, even for the same patient and the same underlying diagnosis.
This means that high-volume imaging centers generating hundreds of studies per week also generate hundreds of individual authorization requests per week, each requiring clinical criteria documentation, ICD-10 diagnosis codes, clinical notes, and follow-up with the payer's RBM. Without dedicated authorization management, radiology billing companies face either delayed imaging — which frustrates providers and patients — or unauthorized claims that are denied post-service.
Virtual Assistant Functions in Radiology Billing
Prior authorization submission and tracking: VAs submit authorization requests through payer portals and RBM platforms (such as AIM Specialty Health, eviCore, and Magellan Healthcare), track approval status, and log outcomes in the billing system before orders proceed to scheduling.
Clinical criteria documentation support: VAs compile the clinical information required to support authorization requests — including ordering physician notes, prior imaging results, and relevant ICD-10 codes — and present it in the format required by each RBM. This compilation work is rules-based and time-consuming, making it well-suited to trained VAs.
Denial management and peer-to-peer coordination support: When authorizations are denied, VAs prepare the documentation packets needed for peer-to-peer review between the ordering physician and the payer's medical director, and they coordinate scheduling of these calls. A 2022 ACR survey found that 75% of peer-to-peer reviews for imaging authorizations resulted in approval — but scheduling and documentation coordination are administrative barriers that VAs can remove.
Eligibility and benefit verification: VAs verify active coverage, confirm radiology benefit structure, and check for RBM carve-outs before studies are scheduled. This prevents the coverage-based denials that generate rework after expensive imaging has already been performed.
Claim status follow-up: VAs monitor submitted claims for payment, identify aging claims, and initiate follow-up with MACs and commercial payers. For radiology groups billing both professional and technical components, claim monitoring requires tracking two parallel payment streams per study.
Coding Complexity Across Imaging Modalities
Radiology billing involves a large and complex CPT code set spanning diagnostic imaging, interventional radiology, nuclear medicine, and radiation oncology. Coding accuracy requires matching the correct CPT code to the imaging study performed, applying appropriate modifiers for bilateral or multiple studies, and documenting the radiologist's interpretation report as the basis for the professional component claim.
While VAs do not replace credentialed coders, they can handle the administrative components of coding workflows: pulling study reports from PACS systems, matching reports to orders, and flagging discrepancies between ordered and performed studies before claims are submitted.
Scaling for High-Volume Imaging Groups
Multi-site radiology groups and teleradiology companies can generate thousands of studies per week across multiple facilities. Billing companies serving these accounts need administrative capacity that scales with imaging volume. Virtual assistants provide that scalability — dedicated to specific account workflows, available during business hours aligned with facility operations, and trainable on the specific RBM platforms and payer mixes relevant to each client.
Radiology billing companies looking for experienced administrative support can explore trained virtual assistant services at Stealth Agents.
Sources
- American College of Radiology (ACR), 2023 Prior Authorization Survey Report
- American College of Radiology (ACR), Radiology Benefit Manager Overview and Peer-to-Peer Review Data
- Centers for Medicare & Medicaid Services (CMS), Radiology Services: Professional and Technical Component Billing Guidelines