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The Worklist is the drug-testing bench queue. If your lab runs only standard clinical work, it will be empty — and that is correct, not a fault. Clinical requests are worked from Test requests and the Lab Station.
The Worklist puts every regulated specimen in one oldest-first list so the bench can see what is ageing, and lets you clear a run of negative oral-fluid screens in a single action. Its subtitle says the job out loud: “The bench queue, oldest first. Filter, select a batch, and mark received oral-fluid screens negative in one pass — urine and non-negatives go through the per-specimen forms.”

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Find what you are working on

Along the top, the status chips double as filters and carry live counts: All, Lab intake, Collected, In transit, Received, Screening, Confirmed. Alongside them are a search box (Specimen ID, LAN or donor…) and a specimen-type select offering All specimen types, Oral fluid and Urine. The list columns are Specimen, LAN, Donor, Type, Panel, Status and Received. When nothing matches you get Nothing in the queue for these filters. — widen the filters before you assume something is lost.

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List or rack

The List | Rack toggle switches the layout, and the rack density select offers 5, 6, 8, 10 or 12 per row. Rack view lays the current filter out FIFO and colours each well by status, so an ageing specimen is visible from across the bench. Its own caption is the thing to remember: “FIFO layout of the current filter — positions are a bench aid, not stored assignments. Click a well to select it for a batch action; double-click to open the specimen.” Nothing about a well is saved. Move the physical rack and the screen does not follow.

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Screen a batch negative

1

Filter to received oral fluid

Select the Received chip and set the specimen-type select to Oral fluid. Batch screening only ever applies to received oral-fluid specimens.
2

Select the specimens

Tick the rows, or click the wells in rack view. The action bar reports {n} selected · {n} eligible for batch screen (received oral-fluid only). If those two numbers differ, something in your selection is not eligible.
3

Open the batch action

Select Mark batch negative ({n}). The dialog reads Mark {n} screens negative?
4

Name the technician

Enter the Screening technician — “Name as it should appear on the chain of custody”. This is the name that will be read back in a challenge, so enter the person who ran the specimens.
5

Record the screens

Select Record {n} negative screens. The toast reads {n} specimens screened negative and the specimens move on.
Only do this after the bench run confirmed every one of these specimens screened negative — any specimen with a non-negative must go through its own screen form instead.

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Why urine is excluded

Batch negative is limited to oral fluid on purpose. Urine needs per-specimen validity testing — temperature, creatinine, pH, adulterants — and there is no honest way to attest to that in bulk, so urine is left out of the batch action by design. Work urine through the per-specimen screen form. See Screening and confirmation.

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Open a single specimen

Selecting a row opens the order workflow sheet with Workflow and Chain of Custody tabs. The Workflow tab shows whichever form the current status calls for — accession, screen, confirmation — so you never have to know which step is next. See Accession an incoming specimen.

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Check it worked

  • The specimens you batched have left the Received filter and the Screening count has moved by the same number.
  • Each one’s Chain of Custody tab shows an Initial Immunoassay Screen event naming the technician you entered.
  • The counts on the status chips add up to the All count.

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If something goes wrong

Expected, if you do not run drug testing. Regulated collections populate this queue; clinical requests live in Test requests.
Your selection contains something other than a received oral-fluid specimen. Filter to Received and Oral fluid first, then reselect.
Take it out of the batch and open it on its own. A non-negative goes to confirmation, never through the batch action.
They never will on their own — rack view is a FIFO drawing of the current filter, not a stored map of your physical rack.
Ask a Lab Manager. The name is written to the chain of custody, so it is corrected deliberately and the correction is itself recorded — see Audit log.