Our clinical lab billing company provides dependable clinical lab billing services for pathology groups, toxicology laboratories, and independent diagnostic centers. Our billing experts understand the claim requirements, payer rules, and coding details. We deal with each claim from specimen collection through final reimbursement to reduce denials and accelerate payment cycles.














Our trustable billing team works for clinical and reference laboratories. We know the complexities of labs from panel and reflex testing codes to strict CLIA and payer compliance requirements. Our team brings practical experience working alongside pathology groups and diagnostic labs, ensuring claims are accurate, compliant, and submitted without delay. We provide hardworking account representatives, transparent reporting, and proactive denial management personalized to lab workflows. Our goal goes beyond processing claims, our aim is to strengthen your lab’s financial foundation for long-term growth. You should choose Stream RCM so that your lab gets a true billing partner who focuses on accuracy, compliance, and care.
We support a wide range of laboratory disciplines, each with distinct coding requirements, payer policies, and documentation standards that demand focused attention.
Our medical billers and coders handle complex molecular test billing, including NGS and PCR to ensure accurate PLA and CPT coding for advanced diagnostics to get faster payment.

We manage high-volume pathology claims, differentiating technical and professional components to highlight complicated payer rules for surgical and cytopathology.

Our experts stay forward of payer analysis in toxicology, ensuring medical necessity documentation and proper coding for drug screening and confirmatory testing.

We are specialized in genetic testing billing, securing prior authorizations and managing denials for hereditary and oncologic genomic panels.

We improve routine and high-volume clinical lab billing, from chemistry to hematology, with automated charge capture and denial prevention.

Clinical Lab providers need a billing system that can handle complex treatments and ensure steady payments for long-term patient management.
We secures necessary pre-authorizations for specialized lab testing, preventing avoidable denials and ensuring smoother reimbursement for complex diagnostic procedures.
Our team guarantees precise charge entry for every test performed, reducing billing errors that often result in delayed or incorrect payments.
We continuously monitor CLIA, HIPAA, and payer-specific compliance requirements, protecting labs from audits, penalties and regulatory billing risks.
We create clear, easy-to-understand patient statements, improving patient satisfaction while supporting timely out-of-pocket collections for lab services rendered.
Our dedicated AR team consistently follows up on unresolved claims, reducing aging receivables and accelerating overall lab revenue collection cycles.
Our representative offers personalized communication, proactive updates and personalized billing strategies for consistent financial performance.
Hand off claim submission, denial follow-up, and payment posting to our laboratory billing team and we are ready to focus entirely on your reimbursement.

Clinical lab billing outsourcing has grown as labs face tighter Medicare fee schedules, more frequent payer policy updates, and rising documentation demands for molecular and toxicology testing. Handling this internally now requires staff dedicated solely to coverage research, appeals, and payer follow-up. We absorb that workload directly, giving lab leadership visibility into claim status without asking them to manage the billing function day to day. Outsourcing does not mean losing control of the revenue cycle; it means placing that control in the hands of a team that works exclusively within laboratory billing rules, payer contracts, and coding requirements every day of the week.
Accurate clinical lab medical billing and coding depends on pairing the correct procedure code with a diagnosis that supports medical necessity for every test ordered.
| Test | CPT Code | ICD-10 Code | Why It Matters for Reimbursement |
|---|---|---|---|
| Metabolic Panel | 80053 | E11.9 | We pair this panel with diabetes-specific diagnosis documentation before submission, so our clients avoid the denials payers issue when medical necessity is unclear. |
| Complete Count | 85025 | D64.9 | Our coders attach supporting notes whenever a complete blood count repeats within a short interval, satisfying payer expectations that other billing teams often overlook. |
| Lipid Panel | 80061 | E78.5 | We run bundling edits on every lipid claim billed alongside a metabolic panel, catching the unbundling errors that remain a leading cause of chemistry denials. |
| Thyroid Testing | 84443 | E03.9 | Before filing, we confirm the record links symptoms or history to hypothyroidism, since our clients' TSH claims are otherwise excluded from routine screening coverage. |
| Urine Analysis | 81001 | N39.0 | We code infection-related and screening urinalysis differently on every claim we submit, protecting our lab clients from the denials that distinction routinely causes. |
We keep your lab ready for every Clinical Laboratory Fee Schedule change under PAMA. Our staff review CLFS updates by hand as soon as they publish, and we rebuild your expected payment benchmarks right away. This means every coded claim is checked against current rates, not old assumptions. We catch underpayments early, during reconciliation, instead of months later. For a clinical lab medical billing company like ours, staying ahead of rate changes matters as much as getting the code right. This steady, hands-on process protects your revenue and keeps your reimbursement accurate, cycle after cycle.

Our team works alongside your lab’s existing billing operations without disrupting specimen workflows or replacing your current internal processes entirely.


Our team confirms authorization status for molecular panels, genetic testing, and toxicology screens before specimens are even processed. We coordinate directly with ordering provider offices to verify requirements ahead of billing, not after a denial arrives. This upfront check means every high-cost panel claim carries proper documentation from the start, even as more commercial payers add pre-approval rules. By handling authorization early, we keep clinical lab medical billing claims moving smoothly and prevent denials tied to missing paperwork, rather than genuine coverage disputes. Your lab gets paid for appropriate testing, without procedural delays getting in the way.
Our clinical lab billing specialists resolve recurring reimbursement obstacles that quietly drain laboratory revenue every month.
Frequent claim denials occur when medical necessity documentation does not clearly match the diagnosis code submitted.
We verify documentation before submission and train ordering staff on necessity requirements, cutting denial rates significantly.
Prior authorization delays for molecular and genetic testing panels frequently push laboratory payments back by weeks.
Our team submits authorization requests early and tracks approval status daily, preventing avoidable reimbursement delays for labs.
Underpayments often go unnoticed because laboratories lack time to compare contracted rates against actual payments received.
We audit every remittance against contracted fee schedules, identifying and recovering underpayments laboratories would otherwise miss.
Outdated coding practices lead to claim rejections when payers update policies without clear laboratory notification.
Our coders stay current with payer bulletins and coding updates, applying corrections before claims are ever submitted.
Credentialing delays leave new laboratory locations unable to bill certain payers for months after opening.
We manage enrollment applications proactively, following up persistently so new laboratory locations start billing sooner.
A clear step-by-step process designed to simplify billing to keep your lab’s revenue consistent and predictable by reducing denials.

Our team evaluates your lab’s billing needs and goals, then delivers a customized proposal with transparent pricing for your review.
We finalize the service agreement and assign a devoted account manager who becomes your direct point of contact throughout the partnership.
Your existing billing data is securely transferred and integrated with our processes, ensuring a smooth transition without disrupting daily lab operations.
Our certified team codes and bills each service accurately, submitting claims promptly and following up consistently to secure timely reimbursement.
Payers now expect prior authorization and detailed medical necessity notes for these panels. We confirm both before your specimens are even processed.
Yes. We document performing site, referring provider, and specimen chain clearly, so both billing arrangements hold up under payer audit review.
Our team documents definitive versus presumptive testing and medical necessity upfront, since toxicology claims draw some of the heaviest payer audit attention today.
We run National Correct Coding Initiative edits on every claim before submission, catching overlapping component codes before they trigger an automatic denial.
Yes. We pull current benefit and deductible information before claims are filed, giving your patients realistic estimates and reducing self-pay billing disputes.
Denied claims are reviewed within days of receipt and refiled well inside payer appeal windows, keeping your receivables from aging unnecessarily.

Send us a recent claims sample and receive a written billing assessment.