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From v11.0, you can create/ update a list of the units you want to use in the system (Extras → Dropdown Manager → Specimen Unit). This list can be used to define specimen quantity/concentration units for specimen class/ type on system/CP level.

Specimen Units (Define specimen class/ CP specific units)

From v11.0, 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 can keep the units specific per specimen type within one collection protocol.

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