After adding collection events to arms, next step is to add specimen requirements to collection events. These specimens will be collected by CRAs from the patients that are registered to a study.
To add a specimen requirement to a collection event, select the desired collection event from Study details tree structure and select Add specimen requirement button.

Add specimen requirement page appears. Enter details regarding the specimen requirement and its shipping requirements and select Submit

System adds the specimen requirement to the selected collection event and tree structure is updated to reflect the newly added specimen requirement.

Select Save study to save the entire study. Only when you select the Class as Molecular, system activates the concentration field. Enter a value for concentration and follow the other steps mentioned above to complete adding a specimen requirement