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Reasoning for an LMIS to be at the PoS layer: An LMIS typically will be in use at a clinical location (or an LMIS paper form will originate from one) assisting the clinic in the resupply workflow. It's possible that an alternative to listing the LMIS in the PoS layer would be to instead assume that 1) another PoS system takes on this capability or 2) that we add another icon more specific to the capability such as "Inventory & Resupply". At this level an individual clinical location may not have much visibility into the rest of the health supply chain, and because of this it could make sense to not confuse the diagram with LMIS in both the component as well as the PoS layers, however many countries which have an LMIS already see it in this dual role - at a component layer as well as a PoS system.
Product
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Catalog
Icon: ?
Where: Along with the other OHIE Registries (e.g. HWR, TS, etc)
Description:
A Product Registry Catalog serves as the source of truth about what a Product is within an HIE. It sources the information for this role through two expected means: 1) as the ongoing result of a process of master data management to properly define and categorize medical products and 2) as derived data on the proper definition and categorization of medical products (e.g. GS1 GDSN).
Reasoning for a Product Registry Catalog to be located with the other registries: A Product Registry Catalog serves as the source of truth for defining products and their categorization(s) for the HIE. This role is similar in kind to other registries which serve as the source of truth for Facilities or Clients such as the Facility or Client Registries. A Product Registry Catalog does have some similarities to a Terminology Service in that it will map equivalent product codes to one another, however as mentioned above the product registry catalog adds additional capabilities specific to the nature of how product definitions are created, the roles of the various organizations involved in this process, and the external systems which already hold some of this data.