Vitamin Deficiency Test lab tests in Lab Testing API Lab Test Test Cost Vitamin K Blood Test $98.00 Vitamin B12 Blood Test (Cobalamin) - Vitamin B12 Testing $47.00 Vitamin D 1,25 Dihydroxy Blood Test (Calcitriol) - vitamin d test cost $103.00 Vitamin B3 Blood Test (Niacin) $88.00 Quest Vitamin D 25-Hydroxyvitamin D2 & D3 Blood Test $65.00 Vitamin B6 Plasma Blood Test (Pyridoxal Phosphate) $77.00 Methylmalonic Acid and Homocysteine Test $168.00 Vitamin C Blood Test (Ascorbic Acid) $50.00 Vitamin E Blood Test (Tocopherol) - Vitamin E Blood Test $67.00 Vitamin D, 25 Hydroxy Blood Test - Vitamin D Blood Test $68.00 Folate (Folic Acid) Serum(blood) Test - Folate Blood Test $41.00 Beta Carotene Blood Test $56.00 Vitamin B2 Blood Test (Riboflavin) $82.00 Vitamin A Blood Test (Retinol) - Vitamin A blood test $63.00 Vitamin B12 and Folate Panel Blood Test - Vitamin B12 deficiency blood test $47.00 Methylmalonic Acid Blood Test (MMA) - Methylmalonic Acid Test (Blood) $121.00 Folate, RBC Blood Test $45.00 Intrinsic Factor Blocking Antibody Blood Test $90.00 Vitamin B5 (Pantothenic Acid) Blood Test $83.00 Homocysteine Blood Test - Homocysteine Test $72.00 Parietal Cell Antibody Test $55.00 Vitamin B1 Blood Test (Thiamine) - Thiamine Blood Test $66.00 Vitamin Blood Test - vitamin d test cost $435.00