Pathology › Folate Metabolism Profile - (Test Code 5102) Folate Metabolism Profile - (Test Code 5102) $450.00 5-methyl tetrahydrofolate (5MTHF), Folinic acid, Tetrahydrofolate (THF); active Vitamin B12, serum Folate, Homocysteine Quantity: Add To Cart Added! 5-methyl tetrahydrofolate (5MTHF), Folinic acid, Tetrahydrofolate (THF); active Vitamin B12, serum Folate, Homocysteine