Sample Requirements:
SST and EDTA tubes, morning draw preferred
Purpose:
Analyzes neurotransmitter activity related to mental focus, mood, and neuroendocrine signaling. Includes DHEA-S, serotonin, and B6 levels.
Reference Range:
DHEA-S: 80–560 mcg/dL; Serotonin: 50–200 ng/mL; B6: 5–50 ng/mL