Laboratory Services

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Horizon BCBSNJ expanded its laboratory network to help increase members’ access to quality care, adding Quest DiagnosticsTM (Quest) as an in-network lab effective January 1, 2019. Our expanded network gives you greater choice and access to in-network lab services.

Therefore beginning July 1, 2019, State Health Benefit Plan (SHBP) members are required to use in-network labs – LabCorp® or Quest – for blood tests and other lab services.¹

If you use out-of-network labs on and after July 1, 2019, your lab claims will be denied and you may be responsible for the full cost of the lab services you receive.

Please let your doctor know that you must use Quest or LabCorp so you will not risk being responsible for the full cost of using an out-of-network lab.

You can save money by using in-network labs. In addition to LabCorp and Quest, our networks also include a number of participating labs that can provide a variety of specialized lab services. You may search our Doctor & Hospital Finder to find participating labs. To find participating labs when receiving laboratory services outside of New Jersey, use the National Doctor & Hospital Finder at

Schedule appointments online


Online appointment scheduling is available for all LabCorp Patient Service Centers. Members can schedule same-day appointments. Appointments must be made two hours prior to arrival at the Patient Service Center.

Quest Diagnostics

Online appointment scheduling is available for all Quest centers. Walk-ins are welcome, but appointments take priority.

¹Laboratory services performed in an in-network facility are not subject to this policy. Members who are admitted to an in-network hospital may have their lab services performed at the facility. In addition, pathology services provided in a hospital setting to members enrolled in a Horizon BCBSNJ-administered SHBP managed care plan by a practice that participates in the Horizon Managed Care Network are allowed as an exception to the above-described LabCorp/Quest Diagnostics network use requirements.

Quest, Quest Diagnostics, the associated logo, Nichols Institute and all associated Quest Diagnostics marks are the registered trademarks of Quest Diagnostics.
LabCorp and Quest Diagnostics are independent from and not affiliated with Horizon Blue Cross Blue Shield of New Jersey