Units of Measure

This screen is used to create/view/edit the Units of Measure lookups. These are used to set the units available for the Selling, Dispensing and Packaging Units on the Product Information screens.

The fields are as follows:

Name - the name of the Unit of Measure (eg Unit, Grams, Pounds, Box, Syringe, Pack of 10)
Unit Code - this is used by the ESCI facility (see below).  If you are not using ESCI, then you can happily leave this set at its default of 'each'. 
default - check this box to make this the default Unit of Measure
Active - uncheck the box to deactive the Unit of Measure


The Unit Code is used by the ESCI facility to map UN/CEFACT Unit Codes* to the practice equivalents. The list contents are defined within the archetype lookup.uom and can only be added to by modifying the archetype. Note that OpenVPMS only provides a subset of the available codes, so if a required code is missing, it can be added but must be present in the list provided by http://docs.oasis-open.org/ubl/cs-UBL-2.0/cl/gc/cefact/UnitOfMeasureCode...

* UN/CEFACT Recommendation N°. 20 - Codes for Units of Measure Used in International Trade - http://www.unece.org/fileadmin/DAM/cefact/recommendations/rec20/rec20.zip

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