Visit-level data fields are designed to record clinical details that can change over time. Each visit has its own unique characteristics, such as date, site at which the visit occurred, clinical diagnoses and clinical status.
Planned longitudinal studies are usually pre-programmed with expected time points or visit descriptions based upon each study’s unique design. Each ‘Visit’ is pre-programmed with the expected primary specimens to be collected by the study coordinator and, in some cases, the processed specimens derived from the primary samples. Therefore the visit descriptions and specimens will differ for every protocol.
Specimen and visit level data can be collected in a single step or in two steps. The single step process bypasses the visit page where detailed clinical data is recorded. The two-step process allows you to record clinical information about the patient at each visit prior to recording sample collection.
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Need a section on collecting unplanned specimens.
Need an unplanned specimen collection page, covered:
Next section should be on collecting pre-planned derivatives and aliquots. This will vary depending on protocol. Might be part of original collection. So it’s tough to cover. But I think it belongs in its own page. Collecting pre-planned processing events 
Then creating unplanned deriv and aliqs.
That begs the question of if we need to have a separate page that describes Events and SRs.
In order to grasp this, we first have to cover what derivatives and aliquots are, which is on the derivative/aliquot page that occurs after this step.
Need to revisit the below section: I don’t think it’s necessary now.
Specimen Data Entry
CPs in which no Visit Level data is necessary, one can proceed directly to specimen collection from the Participant Registration page.
Each CP can be configured for multiple visits. Each visit can be configured to have specific specimens that are to be expected. The expected specimens will be displayed in the ‘Specimens' box on the Visit Overview Page for each visit.
For example, in the planned longitudinal study shown in this figure, there are 3 expected visits. T0D, T1D, and T30D.
At T0D (pre-surgical), there are 2 expected specimens:
Whole Blood (in ACD Vacutainer)
Buccal Swab
For unplanned studies for which specimen type cannot be predicted, no specimen type is shown.
From the Visit Overview Page, the expected specimens are shown in the Specimens table.
To collect one or more expected specimens, select the box next to the Description for the sample to be collected. Or select the top box (circled in red below) to select ‘all specimens’ and record all collections one one screen.
Once one or more samples are selected, additional options appear on the menu bar for the Specimens table.
Select the ‘+Collect’ from the bar to proceed to the Specimen collection page, where specimen-specific data will be recorded.
The Specimen Collection page will display all of specimens that were chosen in the previous step.
In this screen the Visit Site defaults to that entered for the Visit recorded in the previous step. If the Visit details were bypassed at the Participant Registration step, then you must enter the Visit Site here.
The Collector and Receiver will default to the current user. If these are other than the user, they may be chosen from the dropdown list, but the person must exist in the OS user list.
Collection Date and Received Date will default to the current date and time, but may be edited if different.
If necessary, edit the sample quantity if it differs from expected.
Details about sample Quality may be chosen, if desired. The dropdown list is on the right side of the screen.
If the sample is to be stored, then the Container location can be chosen by clicking on this icon:
This will open up the search for available containers. Click the search button to search for avialable locations.
You must have a container built and assigned to your Site in order to store specimens. This will be addressed in a separate Knowledge Article.
Selecting ‘Submit’ will navigate to the Visit Overview page and show the Specimen Table with the collected specimens indicated with a purple dot and the Specimen Label assigned according to the CP Label details set up at CP configuration.
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