This app is intended for use by the phlebotomist(s). This app allows users to perform home sample collection service for diagnostic lab tests. Phlebotomist will use this app to perform home sample collection service for diagnostic tests. We have location tracking in this app so that the location of phlebotomists can be tracked while they are on the field. Through location tracking we can notify customers about when they should expect phlebotomists to reach their address. Location tracking also helps to assign new orders based on their current location. In the app, phlebotomists can see all the orders assigned to them. They can pick and order and process it through the app. Phlebotomists can see the order detail in the app including customer location and what samples need to be collected. After collecting the sample they can scan the barcode available on the vials. Finally, the phlebotomist will be able to mark the order as completed and pick up the next order.