Adults with a personal or family history suggestive of a hereditary cancer syndrome. Red flags for a hereditary cancer susceptibility could include onset of cancer prior to the age of 50 years, more than one primary cancer in a single person, and multiple affected people within a family.
An adult with a blood relative with a known germline pathogenic/likely pathogenic variant in a cancer susceptibility gene. This test is designed to detect individuals with a germline pathogenic variant, and is not validated to detect mosaicism below the level of 20%. It should not be ordered on tumor tissue.