The Top 10 Laboratory Billing Companies in the USA in 2026

Transcure is a laboratory billing company that manages the full revenue cycle for clinical, pathology, molecular, and toxicology labs. Its AI agents, including ELIXA, PRIA, CODIN, CLAIR, and DEXA, automate work from eligibility checks to denial appeals. Certified lab coders then review high-value claims before they go out.

Along with that, a team of over 1,100 AAPC-certified billers and coders handles lab-specific CPT, HCPCS, and PLA coding. Every claim is checked for a valid CLIA number, modifier QW on waived tests, and NCCI and MUE edits on panels. This pre-submission scrubbing stops the most common lab denials before they reach the payer.

For molecular and genetic labs, our team confirms MolDX Z-code registration and manages prior authorization through PRIA. The billing workflow also connects with major LIS platforms such as LabWare, Clinisys, LabDAQ, Orchard, NovoPath, and ClinLab. Compliance coverage includes HIPAA, CLIA, EKRA, and CMS lab billing rules.

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Lighthouse Lab Services is a medical laboratory consulting and management firm that supports labs from startup through growth. The company began in clinical lab staffing and expanded into consulting after merging with Elite Diagnostics. Its revenue cycle work centers on RCM consulting, coding audits, and denial reduction.

Through RCM Payer Solutions, Lighthouse also handles payer contracting, credentialing, and rate negotiation for pathology and medical labs. In October 2025, it partnered with SYNERGEN Health to give clients an AI-driven, lab-tailored RCM platform. This partner model suits labs that want expert oversight paired with a dedicated billing platform.

PGM Billing (Physicians Group Management) is an independent lab billing company that has worked with laboratories since 1981. It serves independent clinical, hospital outreach, and reference labs of every size. Its team handles high-volume, small-dollar claims across both in-network and out-of-network payers.

The company bills both technical and professional components and connects directly with the lab’s LIS. Accession monitoring confirms every case is submitted, while payment monitoring flags claims paid below contracted rates. PGM also appeals molecular claims that payers deny as investigational.

TELCOR Inc is a Lincoln, Nebraska software and services company founded in 1995. It builds revenue cycle management software made only for laboratories, alongside point-of-care middleware. Labs can run TELCOR RCM in-house or outsource billing to TELCOR Revenue Cycle Services.

The outsourced service uses U.S.-based lab billing professionals and a dedicated Client Services Coordinator at no added fee. Before submission, more than 60 validations check medical necessity, bundled CPT pricing, and MUE rules. Reports then break down reimbursement, denials, and A/R by client, CPT code, and payer.

Advanced Data Systems Corporation (ADS) is a Paramus, New Jersey healthcare automation company serving clients since 1977. For labs, it offers two paths: the MedicsPremier billing platform or MedicsRCM, its fully outsourced lab billing service. Both paths run on the same rules-driven system.

ADS supports clinical, pathology, toxicology, genetic, NGS, and esoteric laboratories. The platform covers pre-test eligibility, NCCI edits, denial alerts, and PAMA reporting support. Lab sales teams also get a portal for sales activity and commission reporting.

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AltuMED is a Michigan-based medical billing company with dedicated laboratory billing services. It supports toxicology, molecular, genetic, pathology, and biological labs. The team brings more than 15 years of experience in genetic testing billing.

For molecular and genetic tests, AltuMED builds medical necessity documentation and handles PLA codes, Z-codes, and prior authorizations. Toxicology workflows focus on first-pass clean claims under close CMS and OIG scrutiny. Beyond billing, the company offers PracticeStudio practice management software, an EMR, and credentialing.

R1 RCM is one of the largest revenue cycle management companies in the U.S., founded in 2003 as Accretive Health. It serves hospitals, health systems, and physician groups with end-to-end and modular RCM services. Lab billing is handled inside these enterprise engagements rather than as a stand-alone lab product.

That structure makes R1 a fit for hospital outreach and outpatient labs inside a large health system. Its modular services cover revenue recovery, coding integrity, underpayment recovery, and government reimbursement. R1 also runs R37, an AI lab focused on agentic automation for revenue cycle work.

APS Medical Billing is a Toledo, Ohio billing and revenue cycle company with roots going back to 1960. It specializes in pathology, laboratory, and radiology billing for groups in nearly every state. APS was one of the first firms to bill the professional component of clinical pathology.

Its RCM service includes payment validation, payer-specific pre-billing edits by CPT and diagnosis, and denial management. Certified coders with surgical pathology experience review documentation for charge capture. APS staff have also led billing sessions for MGMA’s Pathology Management Assembly and the College of American Pathologists.

Staffingly, Inc is a healthcare outsourcing company that places dedicated remote billers inside a lab’s own LIS and billing system. Its clinical laboratory billing service runs from accession to clean claim to A/R follow-up. The company reports support for over 300 practices nationwide.

Workflows include 14-Day Rule date-of-service checks, NCCI panel unbundling guards, and CLIA-aware modifier QW handling. For pathology, AAPC-credentialed coders bill 88305 per specimen and apply the 26 and TC split. This model suits labs that want added billing capacity at a set weekly cost.

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PROMBS (Pro Medical Billing Solutions LLC) is a multi-specialty medical billing company with a U.S. office in Houston, Texas. Its services include billing and coding, RCM, credentialing, A/R and denial management, benefits verification, and prior authorization. Lab and pathology billing sit within its wider specialty coverage.

Each client gets a dedicated billing account manager from day one. PROMBS starts with a free audit, then builds a custom plan and moves billing over in stages. The company works without long-term contracts and uses AI-backed tracking to flag stuck claims.