The Galleri® test
The Galleri test detects a cancer signal shared by more than 50 types of cancer through a simple blood draw.1

Key benefits of the Galleri test

Early cancer detection

Detects a cancer signal shared by many cancers, including cancers not routinely screened for today, to allow for earlier treatment.1,2

Testing with ease

Completed with a simple blood draw.

Actionable results

If a cancer signal is found, the results can point to where in the body the cancer is coming from to help guide your next steps.

The Galleri test does not detect all cancers nor does it measure your genetic risk of developing cancer in the future. It should be used in addition to routine screening tests your healthcare provider recommends. False positive and false negative results do occur.

Who can benefit

The Galleri test is recommended for use in adults with an elevated risk for cancer, such as those aged 50 or older. The Galleri test is intended to be used in addition to, and not replace, other cancer screening tests your healthcare provider recommends.

The Galleri test does not detect all cancers and not all cancers can be detected in the blood. It also does not measure your genetic risk of developing cancer in the future.

Request the Galleri test

The process begins by requesting the test from a healthcare provider.

FAQs about the Galleri test

Visit the blood draw locator to either find a partner lab near you and contact them to schedule an appointment or determine if the location allows walk-ins. You can also schedule an appointment at your home, office, or location of choice. You will need a copy of your completed test request form and an unopened Galleri specimen collection kit for your blood draw.

Once you receive your collection kit, please do not break the quality seal on it. The collection kit should be opened by the trained practitioner who draws your blood sample. Make sure you store it at room temperature until your blood draw appointment. The contents are sensitive to extreme temperatures. For example, avoid storing your collection kit in the trunk of your car for long periods of time.

The trained practitioner who draws your blood will pack and ship your sample back to the GRAIL laboratory for processing.

No preparation or fasting is required for the Galleri test.

Approximately 1.5 tablespoons (or about 20 mL) of blood in two tubes typically from a vein in your arm.

If you no longer wish to receive your Galleri results, please contact your healthcare provider to request a cancellation. If you are unable to reach your healthcare provider or require further assistance, please contact GRAIL Customer Service by emailing customerservice@​grail.​com or calling 833−694−2553.

Sign up for more information about the Galleri test

  1. Klein EA, Richards D, Cohn A, et al. Clinical validation of a targeted methylation-based multi-cancer early detection test using an independent validation set. Ann Oncol. 2021;32(9):1167 – 1177. doi: 10.1016/j.annonc.2021.05.806.
  2. The Galleri test does not detect all cancers, nor does it measure your genetic risk of developing cancer in the future. It should be used in addition to routine screening tests your healthcare provider recommends.
  3. Surveillance, Epidemiology, and End Results (SEER) Program (www.seer.cancer.gov) SEER*Stat Database Incidence — SEER Research Limited-Field Data, 21 Registries, Nov 2020 Sub (2000−2018) — Linked To County Attributes ‑Time Dependent (1990−2018) Income/​Rurality, 1969 – 2019 Counties, National Cancer Institute, DCCPS, Surveillance Research Program, released April 2021, based on the November 2020 submission.