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LabCorp and its Specialty Testing Group, a fully integrated portfolio of specialty and esoteric testing laboratories.

General Information

Please review the frequently asked questions below.
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General Information

  • What methods of payment does LabCorp accept?

    If you receive a bill from LabCorp, you may make a payment using one of the following methods:

    • Website: Visit the Bill Pay section, available 24 hours a day, 7 days a week.
    • Toll-free telephone number: Call the automated voice response system at 800-845-6167, available 24 hours a day, 7 days a week.
    • Mail: Send your payment to the address shown on your bill.
    • Patient service centers: You may make payments in person at any of our patient service centers.

    Cash, money orders, personal checks, and all major credit cards are acceptable forms of payment. Please remember to attach the stub from your bill when mailing in your payment. If paying by check, include your 8-digit invoice number on the check.

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  • Will LabCorp refuse service if I have an outstanding balance?

    LabCorp reserves the right to refuse service if you have a past due balance. When you visit a LabCorp patient service center, please be aware that, as part of the sign-in process, you will be advised if you have an outstanding balance for previous testing services. You will be asked to pay the balance in full (or a minimum amount) before we collect a specimen or continue with the current service. If you have any questions, please call LabCorp Patient Billing at 800-845-6167.

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  • How often will LabCorp send me a bill?

    LabCorp will send you a bill approximately once a month until the balance due for services we performed has been paid.

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  • How can I make a payment?

    You may make a payment using one of the following methods:

    • Visit LabCorp’s Bill Pay section.
    • Call the automated voice response system at 800-845-6167, available 24 hours a day, 7 days a week.
    • Mail your payment to the address shown on your bill. Please remember to attach the stub from your bill when mailing in your payment. If paying by check, include your 8-digit invoice number on the check.
    • You may make payments in person at any of our lab locations (patient service centers).

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  • What are LabCorp Patient Billing hours of operation?

    Patients can call LabCorp between the hours of 8 AM to 5 PM Monday through Friday.

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  • What is the telephone number for LabCorp Patient Billing?

    The toll-free telephone number for Patient Billing is 800-845-6167.

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  • I received a bill from LabCorp. Who should I contact?

    LabCorp received information from either your ordering physician or your insurance company indicating that you are responsible for all or part of the fees for testing services we provided. For more information about a bill you received from LabCorp, please contact Patient Billing at 800-845-6167.

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Frequently Asked Questions