You may re-collect specimens which were marked as not collected. To re-collect a specimen, navigate to a specimen that was marked as not collected and then select the Re-collect icon beside the desired specimen in the checklist view.
On selecting the re-collect icon, system asks user for confirmation
In the confirmation, select Yes and system re-collects the Specimen. Now, status of the specimen shall be Pending and you may enter the collection date and collect the specimen.