Biotin (Vitamin B7)

• CPT Code: 84591
• LOINC: 1980-2
• Specimen Type: Red or SST
• Frequency: Setup: Varies; analytical time 1-14 days
• Instructions: 2ml serum from Red or SST tube. Allow to clot 30 minutes, spin at 3,000 rmp and pour off serum, Freeze. Min 1.0mL. Protect from light.
• Text: Biotin, also known as Vitamin H or Coenzyme R[2], is a water-soluble B-complex vitamin (vitamin B7) discovered by Bateman. Biotin is necessary for cell growth, the production of fatty acids, and the metabolism of fats and amino acids. Biotin deficiency is rare because, intestinal bacteria produce biotin in excess of the body's requirements.
• Methodology: Bio Assay