Pay a hospital or physician bill
Visit our billing site to pay your hospital or physician bill. Please have your lab code and invoice number ready.
Coverage guidelines
Medicare coverage
We’re pleased to provide Medicare Coverage and Coding Reference Guides to help you more easily determine test coverage and find ICD-10 diagnosis codes to submit with your test order. By doing so, you can ensure your Medicare patients’ lab tests are performed without delay and prevent disruptions to your office.
Medicaid limited coverage policies
Quest’s Medicaid coverage and coding reference guides can help you understand coverage limitation and find ICD-10 diagnosis codes that are most frequently ordered by physicians—preventing potential disruptions to your practice.
Commercial coverage and coding
Quest’s Commercial Coverage and Coding Reference Guides can help you understand coverage limitations and which ICD-10 codes are most frequently ordered by physicians. Understanding these coverage limitations may help prevent administrative disruptions to your practice.
Z-Codes
Learn how to register your lab for Z-Codes.
CPT® Code changes for 2023
View CPT Code changes for 2023.