Laboratory Biller

Primex Clinical Laboratories Inc • Los Angeles, CA

18d • $19 - $24

About The Position

Primex Clinical Laboratories is seeking an experienced Laboratory Biller to manage and optimize its revenue cycle. This mid-level role prepares and submits high-volume insurance claims, generates invoices for direct-pay patients and corporate clients, and ensures accurate, compliant billing practices. The Laboratory Biller collaborates with clinical, administrative, and finance teams to resolve issues and maximize reimbursement.

Requirements

• 2–3 years of laboratory or medical billing experience in a high-volume environment.
• Hands-on experience with billing software such as Kareo or AdvancedMD and with clearinghouses.
• Strong Excel skills for data analysis.
• Solid understanding of CPT and ICD-10 coding conventions and attention to detail.
• Professional, patient-focused communication skills and ability to explain complex billing information in plain language.
• Exceptional attention to detail and ability to manage multiple tasks, meet deadlines, and take ownership of work.
• Proactive problem-solving skills to identify issues and drive resolutions for timely reimbursement.

Responsibilities

• Prepare and submit clean claims to commercial insurers, Medicare, and Medi-Cal using accurate CPT, ICD-10, and HCPCS codes.
• Generate and distribute invoices for self-pay patients and direct client accounts, ensuring pricing aligns with contractual agreements.
• Confirm patient insurance coverage and obtain necessary pre-authorizations before billing.
• Investigate claim denials and rejections, identify root causes, and resubmit corrected claims or file appeals.
• Post and reconcile insurance and patient payments, document adjustments, and ensure accounts are balanced.
• Respond to billing inquiries from patients, providers, and payers, explaining charges, coverage, and payment options.
• Partner with lab operations, client services, and IT teams to clarify service details, resolve billing discrepancies, and implement system improvements.
• Maintain up-to-date knowledge of billing regulations, including HIPAA and CMS guidelines, and ensure billing activities comply with company policy and legal requirements.
• Produce billing performance reports, such as claim turnaround times, denial rates, and aging analyses, and recommend process enhancements.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed