Release 5 Draft Ballot

This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions Value Set

Orders and Observations Work Group Maturity Level: 1Draft Use Context: Not Intended for Production use

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 expansion generated 23 May 2022

This value set contains 217 concepts

Expansion based on SNOMED CT International edition 31-Jan 2020

All codes in this table are from the system

182922004 Dietary regime
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 Nasal tube feeding
223456000 Provision of a special diet
225373002 PEG - Percutaneous endoscopic gastrostomy feeding
225374008 Jejunostomy feeding
229912004 Enteral feeding
229913009 Oral tube feeding
229914003 Nasogastric feeding
229915002 Nasoduodenal feeding
229916001 Esophagostomy feeding
229917005 Gastrostomy feeding
284071006 Dietary treatment for disorder
289133003 Button gastrostomy feeding
310244003 Nasojejunal feeding
361231003 Prescribed dietary intake
386261001 Diet staging (regime/therapy)
404919001 Wheat-free diet
422972009 Advance diet as tolerated (regime/therapy)
425458000 Lactose-free diet (regime/therapy)
762104002 Modified fluid diet (regime/therapy)
765021002 Vegetarian diet (regime/therapy)
765022009 Lacto-vegetarian diet
765023004 Lacto-ovo-vegetarian diet
765024005 Atkins diet
765025006 Kosher diet
765052001 Hindu diet (regime/therapy)
765053006 Low fructose diet (regime/therapy)
765060000 Ketogenic diet
765063003 Cantonese diet
792805006 Fasting
1151000175103 Dietary Approaches to Stop Hypertension diet (regime/therapy)
435581000124102 Carbohydrate modified diet (regime/therapy)
435651000124106 Consistent carbohydrate diet (regime/therapy)
435661000124108 Galactose modified diet (regime/therapy)
435671000124101 Cholesterol modified diet (regime/therapy)
435681000124103 Dietary liquid consistency diet (regime/therapy)
435691000124100 Diet modified for specific foods or ingredients (regime/therapy)
435701000124100 Energy modified diet (regime/therapy)
435711000124102 Fat modified diet (regime/therapy)
435721000124105 Fiber modified diet (regime/therapy)
435731000124108 Liquid diet (regime/therapy)
435741000124103 Clear liquid diet (regime/therapy)
435751000124101 Full liquid diet (regime/therapy)
435771000124106 General healthful diet (regime/therapy)
435781000124109 Mineral modified diet (regime/therapy)
435791000124107 Protein modified diet (regime/therapy)
435801000124108 Texture modified diet (regime/therapy)
435811000124106 Vitamin modified diet (regime/therapy)
436661000124100 Lactose modified diet (regime/therapy)
436671000124107 Decreased lactose diet (regime/therapy)
436681000124105 Increased carbohydrate diet (regime/therapy)
436691000124108 Decreased carbohydrate diet (regime/therapy)
436701000124108 Decreased galactose diet (regime/therapy)
436711000124106 Decreased cholesterol diet (regime/therapy)
436721000124103 Increased energy diet (regime/therapy)
436731000124100 Decreased energy diet (regime/therapy)
436851000124101 Increased fat diet (regime/therapy)
436861000124104 Decreased fat diet (regime/therapy)
436871000124106 Monounsaturated fat modified diet (regime/therapy)
436881000124109 Polyunsaturated fat modified diet (regime/therapy)
436891000124107 Saturated fat modified diet (regime/therapy)
436901000124106 Trans fat modified diet (regime/therapy)
436911000124109 Increased monounsaturated fat diet (regime/therapy)
436921000124101 Decreased monounsaturated fat diet (regime/therapy)
436931000124103 Increased polyunsaturated fat diet (regime/therapy)
436941000124108 Decreased polyunsaturated fat diet (regime/therapy)
436951000124105 Decreased saturated fat diet (regime/therapy)
436961000124107 Decreased trans fat diet (regime/therapy)
436991000124104 Increased fiber diet (regime/therapy)
437001000124107 Decreased fiber diet (regime/therapy)
437011000124105 Soluble fiber modified diet (regime/therapy)
437021000124102 Insoluble fiber modified diet (regime/therapy)
437031000124104 Increased soluble fiber diet (regime/therapy)
437041000124109 Decreased soluble fiber diet (regime/therapy)
437051000124106 Increased insoluble fiber diet (regime/therapy)
437061000124108 Decreased insoluble fiber diet (regime/therapy)
437081000124103 Boron modified diet (regime/therapy)
437091000124100 Calcium modified diet (regime/therapy)
437101000124106 Chloride modified diet (regime/therapy)
437111000124109 Chromium modified diet (regime/therapy)
437121000124101 Cobalt modified diet (regime/therapy)
437131000124103 Copper modified diet (regime/therapy)
437141000124108 Fluoride modified diet (regime/therapy)
437151000124105 Iodine modified diet (regime/therapy)
437161000124107 Iron modified diet (regime/therapy)
437171000124100 Magnesium modified diet (regime/therapy)
437181000124102 Manganese modified diet (regime/therapy)
437191000124104 Molybdenum modified diet (regime/therapy)
437201000124101 Phosphorus modified diet (regime/therapy)
437211000124103 Potassium modified diet (regime/therapy)
437221000124106 Selenium modified diet (regime/therapy)
437231000124109 Sodium modified diet (regime/therapy)
437241000124104 Sulfur modified diet (regime/therapy)
437251000124102 Zinc modified diet (regime/therapy)
437261000124100 Increased calcium diet (regime/therapy)
437271000124107 Decreased calcium diet (regime/therapy)
437281000124105 Increased chromium diet (regime/therapy)
437291000124108 Increased copper diet (regime/therapy)
437301000124109 Decreased copper diet (regime/therapy)
437311000124107 Increased iodine diet (regime/therapy)
437321000124104 Decreased iodine diet (regime/therapy)
437331000124101 Increased iron diet (regime/therapy)
437341000124106 Decreased iron diet (regime/therapy)
437351000124108 Increased magnesium diet (regime/therapy)
437361000124105 Decreased magnesium diet (regime/therapy)
437371000124103 Increased phosphorus diet (regime/therapy)
437381000124100 Decreased phosphorus diet (regime/therapy)
437391000124102 High potassium diet
437401000124100 Decreased potassium diet (regime/therapy)
437411000124102 Increased sodium diet (regime/therapy)
437421000124105 Decreased sodium diet (regime/therapy)
437431000124108 Increased zinc diet (regime/therapy)
437441000124103 Decreased zinc diet (regime/therapy)
437451000124101 Consistent protein diet (regime/therapy)
437461000124104 Increased protein diet (regime/therapy)
437471000124106 Decreased protein diet (regime/therapy)
437481000124109 Amino acid modified diet (regime/therapy)
437491000124107 Arginine modified diet (regime/therapy)
437501000124104 Glutamine modified diet (regime/therapy)
437511000124101 Histidine modified diet (regime/therapy)
437521000124109 Increased homocysteine diet (regime/therapy)
437531000124107 Isoleucine modified diet (regime/therapy)
437541000124102 Leucine modified diet (regime/therapy)
437551000124100 Lysine modified diet (regime/therapy)
437561000124103 Methionine modified diet (regime/therapy)
437571000124105 Decreased phenylalanine diet (regime/therapy)
437581000124108 Threonine modified diet (regime/therapy)
437591000124106 Tryptophan modified diet (regime/therapy)
437601000124103 Decreased tyramine diet (regime/therapy)
437611000124100 Tyrosine modified diet (regime/therapy)
437621000124108 Valine modified diet (regime/therapy)
437631000124106 Decreased casein diet (regime/therapy)
437641000124101 Decreased gluten diet (regime/therapy)
437651000124104 Gluten free diet (regime/therapy)
437661000124102 Increased arginine diet (regime/therapy)
437671000124109 Decreased arginine diet (regime/therapy)
437681000124107 Increased glutamine diet (regime/therapy)
437691000124105 Decreased glutamine diet (regime/therapy)
437701000124105 Increased histidine diet (regime/therapy)
437711000124108 Decreased histidine diet (regime/therapy)
437721000124100 Increased isoleucine diet (regime/therapy)
437731000124102 Decreased isoleucine diet (regime/therapy)
437741000124107 Increased leucine diet (regime/therapy)
437751000124109 Decreased leucine diet (regime/therapy)
437761000124106 Increased lysine diet (regime/therapy)
437771000124104 Decreased lysine diet (regime/therapy)
437781000124101 Increased methionine diet (regime/therapy)
437791000124103 Decreased methionine diet (regime/therapy)
437801000124102 Increased threonine diet (regime/therapy)
437811000124104 Decreased threonine diet (regime/therapy)
437821000124107 Increased tryptophan diet (regime/therapy)
437831000124105 Decreased tryptophan diet (regime/therapy)
437841000124100 Increased tyrosine diet (regime/therapy)
437851000124103 Decreased tyrosine diet (regime/therapy)
437861000124101 Increased valine diet (regime/therapy)
437871000124108 Decreased valine diet (regime/therapy)
438001000124106 Biotin modified diet (regime/therapy)
438011000124109 Folic acid modified diet (regime/therapy)
438021000124101 Niacin modified diet (regime/therapy)
438031000124103 Pantothenic acid modified diet (regime/therapy)
438041000124108 Riboflavin modified diet (regime/therapy)
438051000124105 Thiamine modified diet (regime/therapy)
438061000124107 Vitamin A modified diet (regime/therapy)
438071000124100 Vitamin B6 modified diet (regime/therapy)
438081000124102 Vitamin B12 modified diet (regime/therapy)
438091000124104 Vitamin C modified diet (regime/therapy)
438101000124105 Vitamin D modified diet (regime/therapy)
438111000124108 Vitamin E modified diet (regime/therapy)
438121000124100 Vitamin K modified diet (regime/therapy)
438131000124102 Increased biotin diet (regime/therapy)
438141000124107 Decreased biotin diet (regime/therapy)
438151000124109 Increased folic acid diet (regime/therapy)
438161000124106 Decreased folic acid diet (regime/therapy)
438171000124104 Increased niacin diet (regime/therapy)
438181000124101 Decreased niacin diet (regime/therapy)
438191000124103 Increased pantothenic acid diet (regime/therapy)
438201000124100 Decreased pantothenic acid diet (regime/therapy)
438211000124102 Increased riboflavin diet (regime/therapy)
438221000124105 Decreased riboflavin diet (regime/therapy)
438231000124108 Increased thiamine diet (regime/therapy)
438241000124103 Decreased thiamine diet
438251000124101 Increased vitamin A diet (regime/therapy)
438261000124104 Decreased vitamin A diet (regime/therapy)
438271000124106 Increased vitamin B12 diet (regime/therapy)
438281000124109 Decreased vitamin B12 diet (regime/therapy)
438291000124107 Increased vitamin B6 diet (regime/therapy)
438301000124108 Decreased vitamin B6 diet (regime/therapy)
438311000124106 Increased vitamin C diet (regime/therapy)
438321000124103 Decreased vitamin C diet (regime/therapy)
438331000124100 Increased vitamin D diet (regime/therapy)
438341000124105 Decreased vitamin D diet (regime/therapy)
438351000124107 Increased vitamin E diet (regime/therapy)
438361000124109 Decreased vitamin E diet (regime/therapy)
438371000124102 Increased vitamin K diet (regime/therapy)
438381000124104 Decreased vitamin K diet (regime/therapy)
439021000124105 Dietary liquid consistency - nectar thick liquid (regime/therapy)
439031000124108 Dietary liquid consistency - honey thick liquid (regime/therapy)
439041000124103 Dietary liquid consistency - spoon thick liquid (regime/therapy)
439061000124104 Fluid restricted diet (regime/therapy)
439071000124106 Increased fluid diet (regime/therapy)
439081000124109 Dietary liquid consistency - thin liquid (regime/therapy)
439101000124101 Easy to chew diet (regime/therapy)
439111000124103 Mechanically altered diet (regime/therapy)
439121000124106 Pureed diet (regime/therapy)
445341000124100 Modification of nutritional regime (regime/therapy)
445351000124103 Modification of schedule of oral intake (regime/therapy)


See the full registry of value sets defined as part of FHIR.

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