Customer Service: 866-788-9007

Customer Service: 866-788-9007

Customer Service: 866-788-9007

Frequently Asked Questions

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Frequently Asked Questions

What does Castle Biosciences do?

Castle Biosciences is a molecular diagnostics company that provides actionable, tumor-specific information for improved treatment decisions and patient outcomes in dermatologic cancers. We conduct sophisticated studies to develop and validate the accuracy of our tests, which assess specific tumor biology to predict the likelihood of disease recurrence or likely response to therapy. Our tests provide patients and their doctors with critical information for better management of their disease.

What tests does the Company offer?

Castle Biosciences offers tests designed to identify metastatic risk in cutaneous melanoma, cutaneous squamous cell carcinoma and uveal melanoma. We also have active research programs in other dermatologic cancers.

How are your tests paid for?

Castle Biosciences works with all insurance providers, including Medicare, commercial insurers, and the VA, to secure payment coverage for tests. Castle will submit insurance claims and manage the insurance billing process on behalf of patients. The company also sponsors an industry-leading Patient Assistance Program with the belief that quality care should not depend on financial considerations.

You can get more information about insurance coverage, claims processing, and financial assistance by calling 866-788-9007 and selecting option #3.

Is the Castle Biosciences laboratory certified and accredited?

Castle Biosciences’ laboratory has Clinical Laboratory Improvement Amendments (CLIA) certification and College of American Pathologists (CAP) accreditation, which are widely recognized as the gold standard around the world.

What is the process for testing, and how long before I would receive a result?

Your healthcare provider can fill out and fax a requisition form to Castle Biosciences from our Order a Test page. For some of our tests, your healthcare provider’s office will receive a specimen kit for preparing and sending the tumor tissue sample to the lab for analysis. The lab will send a report with the test results within 5 days of receiving the tumor sample in our laboratory.

What if my doctor doesn’t know about molecular testing?

Molecular diagnostic testing is an emerging, fast-growing field so it would not be unusual for your doctor to be unaware of all the tests that are now available for treatment planning. If your doctor is interested in more information beyond our test descriptions on this website, please refer them to Castle Biosciences’ customer service (at 866-788-9007 or email contact@castlebiosciences.com).

Can I order a test as a patient?

Only a Physician, Physician’s Assistant, or Nurse Practitioner can order a Castle test.

Who can I contact if I have a question?

Please call our customer service staff at 866-788-9007 or email contact@castlebiosciences.com.

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