The rapid vitamin D test is for the semi-quantitative detection of 25-hydroxyvitamin D (25 (OH) D) in human fingertip whole blood at a cutoff concentration of 30 ± 4 ng/mL. This analysis provides a preliminary diagnostic test result and can be used to screen for vitamin D deficiency. Cut-Off 10-30-100 ng/mL Result reading within 10 minutes . Sensitivity 94.1 % Specificity 92.0 % Total accuracy 93.8 % The package includes : 10 individually packed tests Sample : Whole blood Fast results Easy visual interpretation Simple operation, no equipment required High accuracy