Personalized results to inform risk and guide treatment
Ordering is simple. The DecisionDx-SCC integrated test is indicated for use in patients diagnosed with cutaneous squamous cellcarcinoma (cSCC) who present with one or more high risk clinicopathologic factor.
The test uses tissue from the primary biopsy and does not require an additional procedure.
Ordering DecisionDx-SCC

Ordering DecisionDx-SCC
The test can be ordered via Castle’s secure online portal or by completing a test request form. Click below to download a request form or register for Castle’s clinician portal.

Testing process
Castle’s Clinical Services team coordinates the collection and shipping of tissue blocks or slides directly from the pathology lab provided on the requisition form. The DecisionDx-SCC test uses the same tissue from the original biopsy or excision, avoiding additional procedures.

Report results
The DecisionDx-SCC integrated test report provides actional information. The test classifies patients with a Class result indicating a low (Class 1A), moderate (Class 1B), high (Class 2A), or highest (Class 2B) risk of metastasis and local recurrence.
Test results are available via our secure online portal within 3-5 business days from sample receipt.
Patient access
Castle Biosciences is committed to providing high-quality molecular testing to all patients. We do not want financial concerns to be a barrier to patients accessing critical healthcare information. We work with all insurance providers, including Medicare, Medicaid, commercial insurers, and Veterans Affairs (VA), to secure payment coverage for our testing.
For those who may need additional assistance with their Castle test, we offer a comprehensive patient assistance program to all patients.
If you have any questions, please contact us by calling 866-788-9007, option 3 or send an email.
Ready to enhance your decision making and improve patient outcomes?
Learn more about ordering a test.



