Vitamin Deficiency Test lab tests in Health Tests Direct Lab Test Test Cost VITAMIN A (RETINOL) - Vitamin A blood test $54.42 Homocysteine, Cardiovascular - Homocysteine Test $72.81 VITAMIN D, 1,25 DIHYDROXY LC/MS/MS - vitamin d test cost $88.83 Methylmalonic Acid, GC/MS/MS, (MMA) Urine - Methylmalonic Acid Urine Test $129.94 METHYLMALONIC ACID, (MMA) SERUM - Methylmalonic Acid Test (Blood) $120.16 Vitamin B3 $68.88 Vitamin B1, Whole Blood - Thiamine Blood Test $68.77 Vitamin B6-Plasma $78.32 Vitamin B6, Plasma $117.90 Vitamin B12 and Folates $69.19 Folate, Serum - Folate Blood Test $38.88 Vitamin B2 $68.88 Vitamin B12/Folate, Serum Panel - Vitamin B12 deficiency blood test $42.96 Folate (Folic Acid) $44.20 Vitamin D, 25-Hydroxy, LC/MS/MS - Vitamin D Blood Test $51.46 Vitamin B12 - Vitamin B12 Testing $41.79 Vitamin B12 $46.60 Vitamin E (Tocopherol) - Vitamin E Blood Test $47.56