A measure of the percentage of blood volume that consists of red blood cells in a given percentage of centrifuged red blood. Levels may indicate dehydration, malabsorption, asthma, adrenal dysfunction, blood loss, gastric inflammation, thymus hypofunction, liver disease, hypothyroidism, or nutrient deficiencies or anaemia from iron, B12, Folate, B6, and need for Vitamin C.

Available Tests

FDX 00


Full Biomarkers +
FDX 34


Full Biomarkers +
FDX 21


Full Biomarkers +
FDX 03


FDX 32


Full Biomarkers +
FDX 18


FDX 26


Full Biomarkers +
FDX 25


Full Biomarkers +
FDX 33


Full Biomarkers +

Patient Test Info Sheet

Example Snapshot Report

The FDX Method

Find a Blood Draw

Additional Resources