NanoEntek-FRVD-020 FREND™ Vitamin D Quantitative Point of Care Immunoassay (20 Tests/Box)NanoEntek FRVD 020 FREND Vitamin D Quantitative Point of Care Immunoassay (20 Tests Box) Assay Name: 25 hydroxy(OH) Vitamin D; Assay Method: Fluorescent Immunoassay; Analytical Measurement Range: 10 to 110 ng mL; Sample Type: Plasma or Serum; Sample Volume: 35 L; Limit of Detection: 10 ng mL; Reaction Time: Max 4 Minutes; Pretreatment Method: Heat Block (10 min); Storage Temperature: 2 8C; Shelf Life: 12 Months; FDA 510(k) Cleared; Quantity: 20 Tests