Release 4 Value Set

Orders and Observations Work Group Maturity Level: 1Draft Use Context: Any

This is a value set defined by the FHIR project.


Defining URL:
Title:Diet Codes

Codes that can be used to indicate the type of food being ordered for a patient. This value set is provided as a suggestive example. It includes codes from SNOMED CT where concept is-a 182922004 (Dietary regime (regime/therapy))

Committee:Orders and Observations Work Group
OID:2.16.840.1.113883.4.642.3.385 (for OID based terminology systems)

This resource includes content from SNOMED Clinical Terms® (SNOMED CT®) which is copyright of the International Health Terminology Standards Development Organisation (IHTSDO). Implementers of these specifications must have the appropriate SNOMED CT Affiliate license - for more information contact or

Source ResourceXML / JSON

This value set is used in the following places:

This value set includes codes from the following code systems:


This expansion generated 21 Jan 2021

This value set contains 30 concepts

All codes from system

38903004 Tube feeding by syringe method
50712000 Tube feeding by Barron pump
56948003 Tube feeding by drip method
61420007 Tube feeding of patient
182954008 Dietary prophylaxis
182955009 Low carbohydrate diet - prophylaxis
182956005 Low calorie diet - prophylaxis
182957001 Low salt diet - prophylaxis
182958006 Salt free diet - prophylaxis
182959003 Low protein diet - prophylaxis
182960008 Unsaturated fat diet - prophylaxis
183028005 Enteral tube feeding
223456000 Provision of a special diet
225373002 PEG - Percutaneous endoscopic gastrostomy feeding
225374008 Jejunostomy feeding
229912004 Enteral tube feeding
229913009 Oral tube feeding
229914003 Nasogastric tube feeding
229915002 Nasoduodenal feeding
229916001 Esophagostomy feeding
229917005 Gastrostomy feeding
284071006 Dietary treatment for disorder
289133003 Balloon gastrostomy feeding
310244003 Nasojejunal feeding
361231003 Prescribed dietary intake
386261001 Diet staging
404919001 Wheat-free diet
422972009 Advance diet as tolerated
425458000 Lactose-free diet
1151000175103 Dietary Approaches to Stop Hypertension diet


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Explanation of the columns that may appear on this page:

LvlA 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
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe 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
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code