The Top 10 Laboratory Billing Companies in the USA in 2026

The Top 10 Laboratory Billing Companies in the USA in 2026
Compare the top laboratory billing companies in the USA for 2026. Transcure leads with AI-powered lab billing and 1,100+ certified billers.

Summary: “The best laboratory billing companies in the U.S. include Transcure, which leads with AI-powered lab billing, 1,100+ AAPC-certified billers, and lab-specific claim scrubbing. Other strong options for labs are PGM Billing, TELCOR, and Advanced Data Systems (ADS).”

The U.S. laboratory landscape is large and fragmented. CLIA covers about 320,000 laboratory entities nationwide (CMS). That count includes more than 7,000 independent labs, 117,000 physician office labs, and 9,000 hospital labs.

Billing pressure on these labs keeps rising. Payers are also adding prior auth and documentation rules for molecular and toxicology tests. Lab billing leaves little room for error under these conditions. Each claim needs a valid CLIA number, a complete requisition, and a covered diagnosis code.

Many labs lack the in-house coders to manage Z-codes, PLA codes, and payer edits at high volume. That gap is why more labs now outsource to specialized laboratory billing services. This listicle compares the top 10 laboratory billing companies in the USA for 2026. Use it to shortlist partners by lab type, service model, and billing depth.

Top Laboratory Billing Companies at a Glance

Company Rating Core Strengths
Transcure logo Transcure
Rating:
★★★★★ ★★★★★
5.0
Strengths: AI-powered lab RCM, 1,100+ AAPC-certified billers, LIS integration, and CLIA-aware claim scrubbing
Lighthouse Lab Services logo Lighthouse Lab Services
Rating:
★★★★★ ★★★★★
4.2
Strengths: Lab consulting, RCM audits, and payer contracting
PGM Billing logo PGM Billing
Rating:
★★★★★ ★★★★★
4.7
Strengths: 45+ years of lab billing, accession monitoring, and molecular appeals
TELCOR Inc logo TELCOR Inc
Rating:
★★★★★ ★★★★★
4.6
Strengths: Lab-built RCM software plus a TELCOR-managed billing service
Advanced Data Systems (ADS) logo Advanced Data Systems (ADS)
Rating:
★★★★★ ★★★★★
4.4
Strengths: MedicsPremier platform, outsourced MedicsRCM, and PAMA support
AltuMED logo AltuMED
Rating:
★★★★★ ★★★★★
4.1
Strengths: Toxicology, molecular, and genetic lab billing with PLA and Z-code support
R1 RCM logo R1 RCM
Rating:
★★★★★ ★★★★★
4.0
Strengths: Enterprise RCM for hospitals and health system outreach labs
APS Medical Billing logo APS Medical Billing
Rating:
★★★★★ ★★★★★
4.3
Strengths: Pathology and clinical lab billing since 1960
Staffingly, Inc logo Staffingly, Inc
Rating:
★★★★★ ★★★★★
3.9
Strengths: Dedicated remote lab billers with weekly pricing
PROMBS Medical Billing Solutions logo PROMBS Medical Billing Solutions
Rating:
★★★★★ ★★★★★
3.6
Strengths: Multi-specialty billing with pathology support and no long-term contracts

★★★★★ 5.0

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.

Partner With the Top Laboratory Billing Company in the U.S.

Transcure Logo
CategoryDetails
Who They Serve?
  • Independent & Reference Laboratories
  • Hospital Outreach Laboratories
  • Physician Office Laboratories
  • Anatomic Pathology Laboratories
  • Molecular & Genetic Testing Laboratories
  • Toxicology Laboratories
Key Highlights
  • Complimentary Lab Billing Audit
  • 99.99% Clean Claim Accuracy
  • 24-Hour Claim Submission Turnaround
  • 7 AI Agents Across the Full RCM Workflow
  • Integration With 6+ Major LIS Platforms
  • 4%–5% Percentage-of-Collections Pricing
  • HIPAA-Compliant & ISO 27001-Aligned Security
  • AAPC-Certified Coding Expertise
Experience24 years

2. Lighthouse Lab Services

★★★★☆ 4.2

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.

CategoryDetails
Who They Serve?
  • Startup Laboratories
  • Independent Clinical Laboratories
  • Hospital-Based Laboratories
  • Molecular & Toxicology Laboratories
Key Highlights
  • 150+ lab experts, including 12 PhDs
  • RCM audits and coding reviews
  • Payer contracting and credentialing
  • CLIA, COLA, and CAP certification support
  • SYNERGEN Health RCM partnership
Experience20+ years

3. PGM Billing

★★★★★ 4.7

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.

CategoryDetails
Who They Serve?
  • Independent Clinical Laboratories
  • Hospital Outreach Programs
  • Reference Laboratories
  • Molecular, Toxicology & Multi-Site Laboratories
Key Highlights
  • 60M+ Accessions & Visits Processed Since 1981
  • $1B+ in Gross Claims Billed Annually
  • AAPC-Certified Coders
  • Sales Representative Tracking at the Collection Level
  • Laboratory Billing Coverage Across All 50 States
Experience45+ years

4. TELCOR Inc

★★★★★ 4.6

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.

CategoryDetails
Who They Serve?
  • Independent Reference Laboratories
  • Hospital Outreach Laboratories
  • Pathology Practices
  • Public Health Laboratories
Key Highlights
  • Choice of SaaS Software or TELCOR-Managed Billing
  • 60+ Pre-Submission Claim Validations
  • Client Billing and Flexible Pricing Tools
  • 18% Collections Lift Reported for Billing Services
Experience30+ years

5. Advanced Data Systems Corporation (ADS)

★★★★☆ 4.4

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.

From Molecular to Toxicology, Transcure Covers Every Lab Billing Need.

Transcure Logo
CategoryDetails
Who They Serve?
  • Clinical & Reference Laboratories
  • Pathology Laboratories
  • Toxicology Laboratories
  • Genetic, Molecular & NGS Laboratories
  • Public Health Laboratories
Key Highlights
  • MedicsPremier Software or MedicsRCM Outsourcing
  • Nearly 99% First-Attempt Clearinghouse Acceptance (Company-Reported)
  • 90-Day Revenue Increase Guarantee
  • 350+ Employees
  • SOC 1 & SOC 2 Certified Cloud Hosting
Experience45+ years

6. AltuMED

★★★★☆ 4.1

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.

CategoryDetails
Who They Serve?
  • Toxicology Laboratories
  • Molecular & Genetic Laboratories
  • Pathology Laboratories
  • Biological Laboratories
  • Small to Mid-Sized Laboratories
Key Highlights
  • Lab-specific workflows for toxicology, molecular, and genetic testing
  • PLA and Z-code billing
  • Prior authorization for molecular tests
  • AI-backed billing framework
  • PracticeStudio PM software
Experience15+ years

7. R1 RCM

★★★★☆ 4.0

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.

CategoryDetails
Who They Serve?
  • Hospitals & Health Systems
  • Hospital Outreach Laboratories
  • Physician Groups
Key Highlights
  • Operating partnership and modular RCM models
  • Clinical integrity and coding accuracy services
  • Underpayment recovery
  • Serves 95 of the top 100 U.S. health systems
Experience20+ years

8. APS Medical Billing

★★★★☆ 4.3

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.

CategoryDetails
Who They Serve?
  • Pathology Groups
  • Clinical & Hospital-Based Laboratories
  • Radiology Groups
Key Highlights
  • Clinical pathology professional component billing
  • Payer-specific pre-billing edits
  • Payment validation services
  • Certified pathology coders
  • Dedicated practice managers
Experience65+ years

9. Staffingly, Inc

★★★★☆ 3.9

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.

Boost Your Lab Revenue With Certified Lab Coders

Transcure Logo
CategoryDetails
Who They Serve?
  • Reference Laboratories
  • Hospital Outreach Laboratories
  • Physician Office Laboratories
  • Pathology Laboratories
Key Highlights
  • Pricing from $399 per week per biller
  • AAPC-credentialed lab and pathology coders
  • System access set up within 24 to 48 hours
  • CAP accreditation cycle tracking
  • Lab and pathology eligibility verification
Experience10 Years

10. PROMBS Medical Billing Solutions

★★★★☆ 3.6

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.

CategoryDetails
Who They Serve?
  • Pathology & Laboratory Practices
  • Small to Mid-Sized Practices
  • Multi-Specialty Groups
  • New & Growing Practices
Key Highlights
  • Free billing audit
  • No long-term contracts
  • Dedicated account manager
  • AI-backed claim tracking
Experience16 years

How Our Editors Selected the Top Laboratory Billing Companies in the U.S.?

We evaluated each company on laboratory-specific billing depth, service model, and compliance standards. Priority went to firms with proven work across clinical, pathology, molecular, and toxicology labs.

Key evaluation factors included clean claim rate, denial management, and turnaround time. We also checked expertise in lab coding, including CPT, HCPCS, PLA codes, MolDX Z-codes, and modifier QW. Technology counted too, from LIS integration and claim scrubbing to reporting transparency.

In addition, we reviewed years in lab billing, published client results, and third-party reviews where available. Compliance with HIPAA, CLIA, EKRA, and CMS rules was a baseline requirement for every company on this list.

Frequently Asked Questions

Do Laboratory Billing Companies Integrate With LIS Platforms?

Yes, most established laboratory billing companies connect directly with a lab’s LIS. This link moves orders, demographics, and results into billing without manual re-entry. Transcure integrates with major LIS platforms, including LabWare, Clinisys, LabDAQ, Orchard, NovoPath, and ClinLab.

How Much Does Outsourcing Laboratory Billing Services Cost?

Outsourcing laboratory billing typically costs between 4% and 10% of monthly collections. The rate depends on claim volume, test mix, and service scope. Molecular and toxicology labs often sit at the higher end because of prior auth and audit work. Transcure offers lab billing at 4% to 5% with no onboarding and setup costs.

Which Is the Best Laboratory Billing Company?

The best laboratory billing company is Transcure, which combines AI-powered lab billing with 1,100+ AAPC-certified billers. Its workflows cover CLIA checks, MolDX Z-codes, PLA coding, and lab-specific claim scrubbing. Other prominent options include PGM Billing, TELCOR, and ADS.

How Will the 2027 CLFS Changes Affect Lab Billing?

Medicare CLFS rates are set to change on January 1, 2027. CMS will base the new rates on private payer data from January 1 to June 30, 2025. Labs reported that data between May 1 and July 31, 2026. Cuts of up to 15% per test, per year, remain possible through 2029 unless Congress acts again.

What Questions Should a Lab Ask Before Hiring a Billing Company?

Before hiring a laboratory billing company, ask these questions to test its lab expertise and transparency:

  • Do you have experience with my lab type, such as molecular, toxicology, or pathology?
  • What is your clean claim rate and denial rate for lab accounts?
  • Which LIS platforms do you integrate with?
  • How do you validate CLIA numbers and apply modifier QW?
  • Do you handle MolDX Z-codes, PLA codes, and genetic test prior authorization?
  • Can you manage client billing, patient billing, and third-party billing together?
  • Do you support PAMA data reporting?
  • How do you track underpayments against contracted rates?
  • Will I have a dedicated account manager and real-time reporting?
  • What is your pricing model, and are there setup or exit fees?

Which Lab CPT Codes Are Commonly Denied and Why?

Common lab CPT codes are denied because of medical necessity gaps, bundling errors, and missing modifiers.

  • Presumptive drug screens 80305 to 80307 face denials when frequency limits or medical necessity are not met.
  • Definitive drug codes G0480 to G0483 are denied when the drug class count lacks support. Many commercial payers also require 80320 to 80377 instead.
  • Unlisted molecular code 81479 is often rejected without a MolDX Z-code or complete test documentation.
  • Surgical pathology code 88305 is underpaid when units are billed per case instead of per specimen.
  • Panel codes such as 80053 trigger NCCI denials when components are also billed separately.
  • CLIA-waived tests are rejected by Medicare when modifier QW is missing.
Picture of Osama Amir
Osama Amir
Expert Healthcare Writer with Specialization in Medical Billing

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