This page is part of the FHIR Specification (v4.3.0: R4B -  STU). This is a downloaded version of the specification.  For a full list of available versions, see the Directory of published versions 
Orders and Observations   Work Group | Maturity Level: 2 | Trial Use | Use Context: Any | 
This is a value set defined  at http://www.hl7.org/Special/committees/orders/index.cfm 
. 
Summary
| Defining URL: | http://hl7.org/fhir/ValueSet/substance-category | 
| Version: | 4.3.0 | 
| Name: | SubstanceCategoryCodes | 
| Title: | Substance Category Codes | 
| Definition: | Substance category codes  | 
| Committee: | Orders and Observations   Work Group | 
| OID: | 2.16.840.1.113883.4.642.3.476 (for OID based terminology systems) | 
| Source Resource | XML / JSON | 
This value set is used in the following places:
http://terminology.hl7.org/CodeSystem/substance-category 
This expansion generated 28 May 2022
This value set contains 7 concepts
Expansion based on Substance Category Codes v0.1.0 (CodeSystem) 
All codes in this table are from the system http://terminology.hl7.org/CodeSystem/substance-category 
| Code | Display | Definition | 
   allergen ![]()  | Allergen | A substance that causes an allergic reaction. | 
   biological ![]()  | Biological Substance | A substance that is produced by or extracted from a biological source. | 
   body ![]()  | Body Substance | A substance that comes directly from a human or an animal (e.g. blood, urine, feces, tears, etc.). | 
   chemical ![]()  | Chemical | Any organic or inorganic substance of a particular molecular identity, including -- (i) any combination of such substances occurring in whole or in part as a result of a chemical reaction or occurring in nature and (ii) any element or uncombined radical (http://www.epa.gov/opptintr/import-export/pubs/importguide.pdf). | 
   food ![]()  | Dietary Substance | A food, dietary ingredient, or dietary supplement for human or animal. | 
   drug ![]()  | Drug or Medicament | A substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in man or other animals (Federal Food Drug and Cosmetic Act). | 
   material ![]()  | Material | A finished product which is not normally ingested, absorbed or injected (e.g. steel, iron, wood, plastic and paper). | 
See the full registry of value sets defined as part of FHIR.
Explanation of the columns that may appear on this page:
| Lvl | A few code lists that FHIR defines are hierarchical - each code is assigned a level. For value sets, levels are mostly used to organize codes for user convenience, but may follow code system hierarchy - see Code System for further information | 
| Source | The source of the definition of the code (when the value set draws in codes defined elsewhere) | 
| Code | The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract') | 
| Display | The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application | 
| Definition | An explanation of the meaning of the concept | 
| Comments | Additional notes about how to use the code |