A laboratory billing company is a specialized healthcare billing service that helps medical laboratories manage the financial and administrative side of their operations. These companies handle tasks such as verifying patient insurance eligibility, submitting laboratory claims to insurance providers, coding diagnostic tests correctly, following up on denied or unpaid claims, managing patient billing, and tracking payments. Their main goal is to ensure laboratories receive accurate and timely reimbursement for the tests and services they provide while reducing billing errors, claim denials, and administrative workload.