Shield by Guardant vs Delfi Diagnostics

Side-by-side comparison of cancer screening tests.

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Shield by Guardant

FDA approved
$895

Colorectal only

Delfi Diagnostics

Not FDA approved
Variable

Lung cancer

Test Performance

FeatureShield by GuardantDelfi Diagnostics
Price$895Variable
Cancers DetectedColorectal onlyLung cancer
Sensitivity84% for CRC80% sensitivity
Specificity90%58% specificity
Sample TypeBlood drawBlood draw
FDA StatusFDA approvedNot FDA approved