## Union of http://hl7.org/fhir/ValueSet/observation-codes and http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.6

This is the ValueSet that contains all the codes in LOINC Codes (http://hl7.org/fhir/ValueSet/observation-codes) and Smoking Status Type (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.6). E.g. what you have to deal with if you get resources containing codes in either of them

### CodeSystem

Generated Narrative: ValueSet cb770e79-e577-4b10-bf68-e7548d6d8eed-257

This value set includes codes based on the following rules:

- Include all codes defined in `http://loinc.org` version Not Stated (use latest from terminology server)
- Import all the codes that are contained in Smoking Status Type LOINC
- Import all the codes that are contained in Smoking Status Pack Years SCT