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This section provides editorial guidance for 373873005 The |Pharmaceutical / biologic product (product)| hierarchy is comprised of multiple smaller hierarchies, e.g. the subhierarchies, notably 763158003 |Medicinal product (product)|, and the supporting subhierarchy of 766940004 |Role (role)| from the Qualifier value (qualifier value) hierarchy.   Supporting  Other supporting subhierarchies from Qualifier value (qualifier value) are also explained in this section of the guide.  For implementation guidance regarding national extensions, please see SNOMED CT Drug Model for National Extensions. 

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Definition

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The |Pharmaceutical / biologic product (product)| hierarchy is comprised of multiple smaller hierarchies.  It contains the following semantic tags:

• (medicinal product)
• (clinical drug)
• (medicinal product form)
• (product)
• (physical object) - only 1 concept

The following subhierarchies will be retained as primitive subhierarchies until use cases and/or detailed requirements are known.  Requests for addition of new concepts or modification of existing concepts will be evaluated on a case-by-case basis.

• 410652009 |Blood product (product)| 
• 356497001 |Bone cements (product)| 
• 409248003 |Bone graft material (product)| 
• 411976009 |Bone morphogenic protein graft (product)|
• 116178008 |Dialysis fluid (product)| 
• 373783004 |Dietary product (product)|*
• 410969008 |Sterile maggots (product)|

_{*Editorial guidelines and related content updates for <<373783004 |Dietary product (product)| are managed by the Nutrition Project Group.}

The following subhierarchies will be retained "as is" until use cases and/or detailed requirements are known. Requests for addition of new concepts will be rejected. Requests for modification of existing concepts will be evaluated on a case-by-case basis.

• 411115002 |Drug-device combination product (product)|*
• 349365008 |Herbal medicine (product)|
• 349363001 |Homeopathic medicine (product)|
• 411126008 |Patch test product (product)|

_{*Development of editorial guidelines and related content updates for  <<411115002 |Drug-device combination product (product)| will be done in conjunction with the Device Project.}