This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions 
Responsible Owner: Biomedical Research and Regulation Work Group |
Informative | Use Context: Country: World |
Official URL: http://hl7.org/fhir/ValueSet/nucleotide-terminus
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Version: 6.0.0-ballot4 | |||
| active as of 2026-06-19 | Computable Name: NucleotideTerminus | |||
| Flags: Immutable | OID: | |||
This value set is used in the following places:
The nucleotide present at a sequence terminus (5′ or 3′).
Generated Narrative: ValueSet nucleotide-terminus
Last updated: 2026-06-23T16:20:19.822Z
http://hl7.org/fhir/nucleotide-terminus version 📦6.0.0-ballot4
This expansion generated 23 Jun 2026
ValueSet
Expansion performed internally based on codesystem Nucleotide Terminus v6.0.0-ballot4 (CodeSystem)
This value set contains 5 concepts
| System | Code | Display | Definition |
http://hl7.org/fhir/nucleotide-terminus |
A | Adenosine | Adenosine (A). |
http://hl7.org/fhir/nucleotide-terminus |
T | Thymidine | Thymidine (T). |
http://hl7.org/fhir/nucleotide-terminus |
C | Cytidine | Cytidine (C). |
http://hl7.org/fhir/nucleotide-terminus |
G | Guanosine | Guanosine (G). |
http://hl7.org/fhir/nucleotide-terminus |
U | Uridine | Uridine (U). |
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 |