Vitamin Deficiency Test lab tests in Walk-In Lab Lab Test Test Cost QuestAssureD™ 25-Hydroxyvitamin D (D2, D3) Blood Test, LC/MS/MS $78.00 Vitamin B5 Blood Test $148.00 Vitamin B3 Blood Test $258.00 Vitamin A Serum Test $58.00 Homocysteine Blood Test - Homocysteine Test $49.00 Methylmalonic Acid (MMA) Serum Test $99.00 Vitamin B12 Blood Test - Vitamin B12 Testing $33.00 Folate (Folic Acid) Serum Test - Folate Blood Test $43.00 Vitamin B12 and Folate Blood Test Panel - Vitamin B12 deficiency blood test $54.00 Vitamin B6 Blood Test $95.00 Vitamin B12 Blood Test $33.00 Methylmalonic Acid (MMA) Serum Test - Methylmalonic Acid Test (Blood) $97.00 Parietal Cell Antibody Blood Test, ELISA $98.00 Vitamin B5 Blood Test $189.00 Parietal Cell Antibody Blood Test, ELISA $88.00 Vitamin C Blood Test $65.00 Vitamin B1 Whole Blood Test - Thiamine Blood Test $63.00 Beta Carotene Blood Test $49.00 Vitamin D 1,25 Dihydroxy (Calcitriol) Blood Test - vitamin d test cost $84.00 Intrinsic Factor Blocking Antibody Blood Test $83.00 Vitamin K1 Blood Test $115.00 Vitamin A Serum Test - Vitamin A blood test $48.00 Vitamin D 25-Hydroxy Blood Test - Vitamin D Blood Test $48.00 Cardio IQ® Vitamin D, 25-Hydroxy Blood Test $49.00 Vitamin B2 Blood Test $125.00 Vitamin B1 Whole Blood Test $65.00 Folate Whole Blood Test, RBC $64.00 Vitamin E Serum Test - Vitamin E Blood Test $48.00 Methylmalonic Acid Urine Test, GC/MS/MS - Methylmalonic Acid Urine Test $110.00 Vitamin K1 Blood Test $98.00 Vitamin B6 Blood Test $68.00 Beta Carotene Blood Test $49.00 Vitamin B3 Blood Test $178.00