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Billing and coding

Electronic billing

Easily access and resolve lab order billing errors with Quanum® Lab Services Manager.
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Z-Codes

Explore the ABCs of DEX Z-Code™ identifiers
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Pay a hospital or physician bill
Medicare coverage guidelines
Medicaid limited coverage policies
Commercial coverage and coding guides

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.

Contact us

Have a billing question? Contact customer service

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Billing & coding

Looking for patient billing?

If you are a patient, visit patient billing

Resources and insights from Quest

Technology & Innovation
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Delivering actionable data for health plans
Population Health
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The budget-neutral incentive model
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Manage lab spend to lower costs for health plans and employers
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Case Study
Lab spend optimization through Shared Savings
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