DR. MARK M.D., PH.D.

Common behavioral neurology & neuropsychiatry lab tests you can order directly

No specialist referral or doctor's recommendation is required to order these tests through our partner.

• Folic Acid Lab Test - B12 Deficiency Test

  This test is used to measure vitamin B12 & folic acid levels. Vitamin B12 & Folic Acid (Folate) both play key roles in DNA synthesis & creating red blood cells.

• Vitamin D 25-Dihydroxy (Calcitriol) Test

  This blood test is used to determine Vitamin D 25-dihydroxy (calcitriol) deficiencies. It is used in the diagnosis of hypocalcemia & to monitor renal disease.

• Vitamin D Blood Test | Online D 25-Hydroxy Deficiency Test

  This blood test measures the Vitamin D 25-Hydroxy (Calcidiol) levels. Vitamin D is absorbed through sunlight, food, drinks and turned into Vitamin D 25-Hydroxy.

• Homocysteine Levels Test | Heart Testing

  The homocysteine blood test is used to help determine heart disease, heart attack or stroke risks. If also can help evaluate for vitamin B12 deficiencies.

• Deitleman Depression Panel

  Order Deitleman Depression Panel.com online through our partner and visit a local lab near you.

• Vitamin B12 Deficiency Test

  This blood test is used to evaluate Vitamin B12 levels and can determine if there is a vitamin B12 deficiency. Malnutrition & digestive disorders, like celiac.

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