Sample Requirements:
EDTA and SST tubes
Purpose:
Screens for impaired methylation pathways using MTHFR genetic testing, homocysteine, folate, and vitamin B12. Relevant in mood disorders, cardiovascular health, and detoxification.
Reference Range:
MTHFR: Genotype reported; B12: 200–900 pg/mL; Folate: >5.9 ng/mL; Homocysteine: <10.8 µmol/L