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Once you have decided on this, you will need to fill out the respective fields.
Description of Fields
Code: The item code is a unique field which identifies a purchase item. It should be an abbreviation of what the disbursement or recovery item is. For example 'MED' would be a suitable code for Medical Reports.
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External Code: This field is for the External Item code used in the external accounting system. Depending on your accounting system, it will either appear in an Item Listing or under the Categories > Products/Services areas.