General Billing Info & FAQ
General Billing Information
Hours of Business
Monday – Friday: 7:00 a.m. to 5:00 p.m. CT
Make a Payment by Mail
Mail checks to:
Professional Clinical Laboratories, LLC
26051 Network Place
Chicago, IL 60673-1260
If you would like to make a payment by credit card, Alverno Laboratories accepts Visa, MasterCard, American Express, and Discover.
Please remember when mailing to attach the payment stub, and include the patient’s account number on the check.
If you would like to speak directly with a billing representative, please call us at:
In order to efficiently assist you, please direct your call by selecting from the following options:
- Select option 1 for Medicare questions
- Select option 2 for all other patient questions
- Select option 3 for clients
- If you are returning a call to a biller’s direct extension, select option 5, and then enter the extension number.
Alverno Laboratories/Professional Clinical Laboratories Billing FAQs
Why have I received a bill from Professional Clinical Laboratories (Alverno Laboratories)?
Who do I speak with to obtain, or answer questions about, my laboratory results?
The laboratory report is sent to the ordering physician. Please contact the ordering physician’s office with any questions related to your test results.
How long will it take before my insurance company processes my claim?
How can I find out if my insurance company has paid this claim?
Why didn’t my insurance pay this claim?
Your insurance carrier provides an Explanation of Benefits (EOB) to you that explains, in detail, your laboratory services. If you need further assistance determining the reason(s) why your insurance company did not pay a service, please contact them directly.
Why have I been asked to sign an ABN (Advanced Beneficiary Notice)?
Please click here to find information from the Centers for Medicare and Medicaid Services.