Laboratory Biller

Primex Clinical Laboratories; Los Angeles (CA); On-site; USD 65,000 - 90,000; Full time

Job summary

Primex Clinical Laboratories seeks a experienced Laboratory Biller to lead high‑volume claims and invoicing, ensuring accuracy and compliance. You will work with clinical, administrative, and finance teams on reimbursement optimization at our Van Nuys, CA headquarters.

This full‑time on‑site role requires 2–3 years of billing experience, CPT/ICD‑10 proficiency, and strong Excel skills. A collaborative mindset and meticulous attention to detail are essential for timely payments and accurate

Qualifications

• 2–3 years of laboratory or medical billing experience in a high‑volume environment.
• Proficiency with Kareo or AdvancedMD and clearinghouses; strong Excel skills.
• Solid CPT and ICD‑10 coding knowledge with keen attention to detail.
• Clear, professional communication; able to explain billing to patients and providers.

Responsibilities

• Submit clean claims to commercial insurers, Medicare, and Medi-Cal with accurate codes.
• Generate and send invoices for self-pay patients and direct client accounts.
• Verify patient insurance coverage and obtain pre-authorizations.
• Investigate denials and appeals to maximize reimbursement.
• Post payments and reconcile accounts, documenting adjustments.
• Respond to billing inquiries from patients, providers, and payers.
• Collaborate with lab operations, client services, and IT to resolve issues.
• Maintain HIPAA and CMS compliance in all billing activities.
• Produce regular billing reports and identify process improvements.

Skills

CPT & ICD-10 coding

Communication skills

Attention to detail

Organizational skills

Problem-solving

Team collaboration

Tools

Kareo

AdvancedMD

Excel

Job description

At Primex Clinical Laboratories, we're dedicated to enhancing health with precision and passion. Since 1996, our presence in clinical diagnostics has been unwavering, serving clients across Central and Southern California, Nevada, and American Samoa. We pride ourselves on delivering personalized service and high-quality testing with quick, accurate results.

Job Overview

Primex Clinical Laboratories is seeking an experienced Laboratory Biller to manage and optimize our revenue cycle. In this mid‑level role, you will prepare and submit high‑volume insurance claims, generate invoices for direct‑pay patients and corporate clients, and ensure accurate, compliant billing practices. You will collaborate with clinical, administrative, and finance teams to resolve issues and maximize reimbursement. Please note this is full‑time, on‑site position at Primex headquarters in Van Nuys, CA.

Key Responsibilities

• Claims Submission: Prepare and submit clean claims to commercial insurers, Medicare, and Medi‑Cal using accurate CPT, ICD‑10, and HCPCS codes.
• Invoicing: Generate and distribute invoices for self‑pay patients and direct client accounts, ensuring pricing aligns with contractual agreements.
• Eligibility Verification: Confirm patient insurance coverage and obtain necessary pre‑authorizations before billing.
• Denial Management: Investigate claim denials and rejections, identify root causes (coding, eligibility, documentation), and resubmit corrected claims or file appeals.
• Payment Posting & Reconciliation: Accurately post and reconcile insurance and patient payments, ensuring all adjustments are documented and accounts are balanced.
• Customer & Provider Support: Respond promptly to billing inquiries from patients, providers, and payers—clearly explaining charges, coverage, and payment options.
• Cross‑Functional Collaboration: Partner with lab operations, client services, and IT teams to clarify service details, resolve billing discrepancies, and implement system improvements.
• Compliance & Documentation: Maintain up‑to‑date knowledge of billing regulations (HIPAA, CMS guidelines) and ensure all billing activities adhere to company policy and legal requirements.
• Reporting & Analytics: Produce regular billing performance reports (e.g., claim turnaround times, denial rates, aging analysis) and recommend process enhancements.

What You Bring

• Experience: 2–3 years of laboratory or medical billing experience in a high‑volume environment.
• Technical Proficiency: Hands‑on experience with billing software (e.g., Kareo, AdvancedMD) and clearinghouses, plus strong Excel skills for data analysis.
• Coding Expertise: Solid understanding of CPT and ICD‑10 coding conventions, with a keen eye for detail.
• Communication Skills: Professional, patient‑focused communication; ability to explain complex billing information in plain language.
• Organizational Skills: Exceptional attention to detail with the ability to juggle multiple tasks, meet deadlines, and own your work.
• Problem‑Solving: Proactive in identifying issues and driving resolutions to ensure timely reimbursement.

Primex Clinical Laboratories is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, or any other legally protected status.

About Us

At Primex Clinical Laboratories, we're dedicated to enhancing health with precision and passion. Since 1996, our presence in clinical diagnostics has been unwavering, serving clients across Central and Southern California, Nevada, and American Samoa. We pride ourselves on delivering personalized service and high-quality testing with quick, accurate results.

Job Overview

Primex Clinical Laboratories is seeking an experienced Laboratory Biller to manage and optimize our revenue cycle. In this mid‑level role, you will prepare and submit high‑volume insurance claims, generate invoices for direct‑pay patients and corporate clients, and ensure accurate, compliant billing practices. You will collaborate with clinical, administrative, and finance teams to resolve issues and maximize reimbursement. Please note this is full‑time, on‑site position at Primex headquarters in Van Nuys, CA.

Key Responsibilities

• Claims Submission: Prepare and submit clean claims to commercial insurers, Medicare, and Medi‑Cal using accurate CPT, ICD‑10, and HCPCS codes.
• Invoicing: Generate and distribute invoices for self‑pay patients and direct client accounts, ensuring pricing aligns with contractual agreements.
• Eligibility Verification: Confirm patient insurance coverage and obtain necessary pre‑authorizations before billing.
• Denial Management: Investigate claim denials and rejections, identify root causes (coding, eligibility, documentation), and resubmit corrected claims or file appeals.
• Payment Posting & Reconciliation: Accurately post and reconcile insurance and patient payments, ensuring all adjustments are documented and accounts are balanced.
• Customer & Provider Support: Respond promptly to billing inquiries from patients, providers, and payers—clearly explaining charges, coverage, and payment options.
• Cross‑Functional Collaboration: Partner with lab operations, client services, and IT teams to clarify service details, resolve billing discrepancies, and implement system improvements.
• Compliance & Documentation: Maintain up‑to‑date knowledge of billing regulations (HIPAA, CMS guidelines) and ensure all billing activities adhere to company policy and legal requirements.
• Reporting & Analytics: Produce regular billing performance reports (e.g., claim turnaround times, denial rates, aging analysis) and recommend process enhancements.

What You Bring

• Experience: 2–3 years of laboratory or medical billing experience in a high‑volume environment.
• Technical Proficiency: Hands‑on experience with billing software (e.g., Kareo, AdvancedMD) and clearinghouses, plus strong Excel skills for data analysis.
• Coding Expertise: Solid understanding of CPT and ICD‑10 coding conventions, with a keen eye for detail.
• Communication Skills: Professional, patient‑focused communication; ability to explain complex billing information in plain language.
• Organizational Skills: Exceptional attention to detail with the ability to juggle multiple tasks, meet deadlines, and own your work.
• Problem‑Solving: Proactive in identifying issues and driving resolutions to ensure timely reimbursement.

Primex Clinical Laboratories is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, or any other legally protected status.

Monday to Friday | 8:00 AM to 4:30 PM at Primex Clinical Laboratories headquarters in Van Nuys, CA.