## Union of http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8 and http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.43

This is the ValueSet that contains all the codes in Common substances for allergy and intolerance documentation including refutations (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1186.8) and Allergen Concepts (Medications, Foods, and Environmental Substances) including refutations. (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.43). E.g. what you have to deal with if you get resources containing codes in either of them

### CodeSystem

Generated Narrative: ValueSet cb92b799-e820-4353-a755-2724707a937e-56

This value set includes codes based on the following rules:

- Import all the codes that are contained in Common environmental substances for allergy and intolerance documentation
- Import all the codes that are contained in Common dietary substances for allergy and intolerance documentation
- Import all the codes that are contained in Common refutations for substance causes for allergy and intolerance documentation
- Import all the codes that are contained in Common drug substances for allergy and intolerance documentation
- Import all the codes that are contained in Medication drug class for allergen intolerance SCT
- Import all the codes that are contained in Allergen Concepts (Ingredient Focused) RxNorm
- Import all the codes that are contained in Medicinal Product Allergens SCT
- Import all the codes that are contained in Dietary Allergens (Food and Food Additives) SCT
- Import all the codes that are contained in Environmental Allergen Substances SCT