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Weather Alert

Due to hurricane Idalia, our Patient Service Centers in affected areas may be closed. For site-specific information, please use Find a location and enter your zip code.


Billing and coding

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—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.


Learn how to register your lab for Z-Codes.

CPT® Code changes for 2023

View CPT Code changes for 2023.

Excludes1 logic

To learn more about Excludes1 logic and how Excludes1 notes interact with Quanum, watch our video.

For additional details regarding Excludes1 rules and coding edits, click here.

Resources and insights from Quest

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