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‘Specimen Type’ is the most important and specialized dropdown. Each specimen type falls under a ‘Specimen class’ e.g., Fluid, Molecular, Tissue, Cell, etc.
Define Specimen Class (v10.3 onwards)
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You can now add new specimen classes from v10.3 onwards Go to 'Dropdown Manager'. Select 'Specimen Type' Click on 'Add' Enter the Class name in ‘Dropdown value', leaving 'Parent Dropdown’ blank. Add the mandatory properties: ‘quantity_unit', ‘concentration_unit’, and ’container_color_coding’:
 Once new class is added, this can be used as ‘Parent Dropdown' for new specimen types.
Below are the specimen-type properties Attribute | Property Name | Property Value | Description |
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Specimen Type | quantity_unit | Quantity units for the specific specimen type | Used to display the units on the specimen pages. Value can only be plain text. If special characters like symbols need to be used, it needs to be specified under quantity_display_unit. For e.g., μg/m3 By default, the units are set at classes level which will apply to all types under it: Tissue: gm Fluid: ml Molecular: µg Cell: count
| Specimen Type | concentration_unit | Concentration unit for the specific specimen type | For example - microgram/ml | Specimen Type | container_color_coding | The color representing the specimen class in the container location view | For example - background=red,opacity=0.5 |
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From v11.x, you can define a list of Units which you want to use in the system. You can use the units defined in this dropdown to define specimen quantity/ concentration units for specimen class/ type on system/CP level.
From v11.x, OpenSpecimen supports specimen units per CP. A common issue for clients with multiple groups was to make units uniform across the collection protocols. E.g., some groups wanted to use ul vs ml as units for fluids like serum/ plasma. With this feature, users will be able to keep the units specific per specimen type within one collection protocol.
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System levelNavigate to Home → Extras → Specimen Units
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CP levelNavigate to Home → Collection Protocols → View CP details → Settings → Specimen units
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Follow steps #2 and #3 similar to system level
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