Medical Billing Solutions for Healthcare Providers
Accurate medical coding services nationwide.
Reliable Credentialing Enrollment Across…
Verify patient insurance coverage, benefits…
Tracking payments, invoicing , managing…
Improve collections by insurance claim denials.
Reliable, accurate, compliant, friendly billing…
Efficient support with our Virtual Assistant services
Grow your brand, we handle your social media.
Boost your website traffic with expert SEO
Interactive e-learning to boost skills anytime, anywhere.
Get noticed online with Google Ads.
Manage patient records securely with EHR solutions.
Medical Billing Solutions for Healthcare Providers
Accurate medical coding services nationwide.
Reliable Credentialing Enrollment Across…
Verify patient insurance coverage, benefits…
Tracking payments, invoicing , managing…
Improve collections by insurance claim denials.
Reliable, accurate, compliant, friendly billing…
Efficient support with our Virtual Assistant services
Grow your brand, we handle your social media.
Boost your website traffic with expert SEO
Interactive e-learning to boost skills anytime, anywhere.
Get noticed online with Google Ads.
Manage patient records securely with EHR solutions.
Lab Billing Services by Revex Square is where you turn when you became a laboratory or pathology practice to process specimens and deliver accurate diagnostic results, not to determine whether a claim should be billed to the referring physician, the hospital, or the patient's insurance directly. Your day often ends with professional-versus-technical component splits, the Medicare 14-day rule, and payer rules that deny an entire panel because one test on it wasn't medically necessary on paper. That's where lab billing services from Revex Square come in.
Laboratories and pathology groups get paid faster, cleanly, and predictably by engaging a laboratory billing company that actually understands specimen-based billing, client versus patient billing models, and CLIA-linked compliance, not a generalist team applying office-visit billing logic to lab claims. No long meetings. No jargon-heavy reports. Just a partner who understands lab medical billing completely, from a single clinical chemistry panel to a full anatomic pathology and molecular diagnostics caseload.
Imagine finishing your week knowing that every specimen is billed to the correct party, every professional and technical component is split correctly, and every claim is already moving through the payment stream instead of sitting in a denial queue. That's the peace we bring to laboratories every day.
Complete billing & RCM overview for labs and pathology groups
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Schedule a Free DemoWe handle the billing so you can focus on your patients.
Focused, specialty-trained medical billing experience helping vascular practices improve collections and protect revenue.
Our experienced billing team handles claims with precision, helping reduce errors, rejections, and payment delays.
We follow every claim from submission through payment, helping your practice receive revenue faster and maintain a healthier cash flow.
Our team understands professional/technical component billing, CLIA compliance, client versus patient billing models, and the unique challenges of laboratory revenue cycle management.
We simplify every step of your revenue cycle so your lab can focus on diagnostics.
We capture accurate order and demographic data from your LIS at the point the specimen is received, and confirm eligibility and coverage before processing.
Our team captures every billable component of the order, from the individual test or panel to reflex testing and add-on studies.
Certified coders assign accurate CPT and ICD-10 codes, apply modifier 26 or TC when the professional and technical components are billed separately, and select the correct toxicology G-code for presumptive or definitive drug testing.
Clean claims are submitted electronically to Medicare, Medicaid, and commercial payers, with client-billed and patient-billed arrangements routed to the correct party from the start.
We monitor payments, follow up on unpaid claims, and aggressively manage denials tied to medical necessity, frequency limits, and documentation gaps.
Every CPT code, modifier, and supporting diagnosis is carefully reviewed to reduce coding errors, claim rejections, and lost revenue.
Our streamlined billing workflow helps move claims through the revenue cycle and improves your cash flow.
Comprehensive revenue cycle solutions designed specifically for labs and pathology groups — including the gaps most billing companies skip.
Accurate CPT coding across clinical chemistry, hematology, anatomic pathology, cytopathology, and molecular diagnostics, with the correct component split applied to every claim.
Whether your lab bills the referring physician or hospital directly (client billing) or bills the patient's insurance (patient billing), the workflows, compliance requirements, and anti-markup considerations are different. We structure and manage both models correctly, rather than defaulting to one approach for every account.
When the interpreting pathologist and the performing lab are separate entities, the professional component (modifier 26) and technical component (modifier TC) must be billed correctly to the right party. We keep this split accurate so neither side is under-billed or duplicated.
Medicare's DOS rules, including the 14-day rule for certain outpatient hospital specimens, determine whether a lab or the hospital bills for a test. Getting this wrong is a common and often invisible source of denied or recouped claims — we track it before the claim goes out.
Drug testing billing has gone through repeated Medicare rule changes, with G-codes replacing CPT codes for many payers. We keep coding current with payer-specific toxicology policy instead of relying on outdated CPT logic.
Applicable labs are required to report private payer payment data under PAMA, which directly affects future Medicare Clinical Laboratory Fee Schedule rates. We help track and organize the data your lab needs for compliant reporting.
Beyond day-to-day billing, we offer standalone medical billing audit services and coding audits for labs that want a second opinion on an existing billing operation, whether in-house or outsourced. Our audits identify undercoding, upcoding risk, medical necessity gaps, and component-split errors before a payer or regulator finds them first.
Our team identifies the root cause of denials, corrects billing issues, and follows up with payers to recover lost revenue, including denials tied to medical necessity, frequency edits, and missing ICD-10 justification.
We monitor outstanding accounts, prioritize aging balances, and actively follow up to accelerate reimbursement.
Detailed reports and performance insights help you understand collections, denials by test category, A/R, and the overall health of your revenue cycle.
Let Revex Square handle your billing while you focus on diagnostics.
Every lab is different. A high-volume clinical chemistry lab has different billing needs than an anatomic pathology group interpreting biopsies, or a molecular diagnostics lab navigating prior authorization for genetic panels.
Revex Square provides specialized laboratory billing solutions designed around a category of billing that runs on entirely different rules than standard medical billing. Lab billing depends on knowing who to bill (client or patient), splitting professional and technical components correctly, applying Medicare's date-of-service rules, and keeping pace with toxicology and molecular testing policy changes that most other specialties never deal with.
Your lab deserves more than a general billing company. You need a revenue cycle partner that understands the complexities of laboratory and pathology billing.
Our billing professionals understand client versus patient billing, component splitting, CLIA-linked documentation, and the compliance requirements that make lab billing fundamentally different from physician office billing.
Simple, transparent pricing with no unnecessary hidden fees, allowing you to understand exactly what you are paying for.
Work with experienced billing specialists who become an extension of your lab and remain focused on your financial performance.
From patient registration and eligibility verification to coding, claims, denials, and A/R follow-up, we manage the complete cycle.
From claim denials to component-split errors, Revex Square helps identify the problems affecting your revenue and provides practical solutions.
Lab denial rates rise when medical necessity documentation and component splits aren't managed carefully. We identify denial patterns, correct billing errors, and follow up with payers to recover revenue.
Our team actively tracks outstanding claims and follows up with insurance companies to accelerate reimbursement.
Billing the wrong party for a specimen is a common and costly setup error, especially for labs working with multiple referring accounts.
Misapplying the 14-day rule or other DOS exceptions can result in claims that should never have been billed by the lab in the first place.
Frequent Medicare rule changes for drug testing and genetic panels leave outdated coding logic in place longer than it should be.
Labs relying on a single in-house or outsourced billing process often have no outside verification that it's actually compliant or optimized.
Let our laboratory billing experts identify opportunities to improve your revenue cycle.
Get answers to the most frequently asked questions about laboratory billing, coding, compliance, reimbursement, and revenue cycle management.
Lab billing is the process of securing reimbursement for laboratory and pathology testing. It starts with order and eligibility verification, followed by accurate coding of the test or panel, claim submission to the correct payer, follow-up on unpaid or denied claims, and payment posting.
Client billing means the lab bills the referring physician, hospital, or other client account directly for testing performed on their behalf. Patient billing means the lab bills the patient's insurance directly. Each model has different compliance considerations, and many labs use both depending on the referral source.
Modifier 26 identifies the professional component of a test — typically the interpretation performed by a pathologist. Modifier TC identifies the technical component — the equipment, supplies, and staff time used to perform the test. When the interpreting and performing parties are different entities, both components need to be billed correctly and separately.
The 14-day rule is a date-of-service policy that determines whether a hospital or an independent laboratory bills Medicare for certain outpatient tests performed on specimens collected during a hospital encounter. Applying it incorrectly is a common cause of denied or recouped laboratory claims.
Toxicology billing has shifted from standard CPT codes to Medicare-specific G-codes for presumptive and definitive drug testing, with several rule changes over the years. Coding needs to stay current with each payer's specific policy rather than relying on older CPT-based logic.
Under the Protecting Access to Medicare Act (PAMA), applicable laboratories must periodically report private payer payment rates and test volumes, which are used to set future Medicare Clinical Laboratory Fee Schedule rates. Whether your lab is required to report depends on revenue and volume thresholds.
"Labcorp billing services" generally refers to how Labcorp, one of the largest national reference laboratories, bills patients and insurers directly for testing it performs. An outsourced lab billing partner like Revex Square serves independent and regional labs and pathology groups by managing their own billing, coding, and collections rather than performing the testing itself.
Yes. Revex Square can manage the full billing workflow, from eligibility checks and coding to claim submission, denial management, and A/R recovery, or support specific parts of a lab's revenue cycle.
Yes. Our medical billing audit services can review an existing in-house or outsourced billing operation for coding accuracy, medical necessity documentation, and compliance risk, independent of whether Revex Square handles your day-to-day billing.
Our lab billing services start as low as 2.75% of monthly collections, with transparent, no-hidden-fee pricing. The exact rate depends on test volume, specimen mix, and whether client billing, molecular testing, or standalone audit services are involved, which we walk through during a free consultation.