Molecular Definition Implementation Guide for Molecular Data Types
1.0.0-ballot1 - ci-build International flag

Molecular Definition Implementation Guide for Molecular Data Types, published by HL7 International / Clinical Genomics. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/molecular-definition-data-types/ and changes regularly. See the Directory of published versions

ValueSet: Nucleotide DNA 1-letter Ambiguous Symbols ValueSet

Official URL: http://hl7.org/fhir/uv/molecular-definition-data-types/ValueSet/nucleotide-dna-1letter-ambiguous Version: 1.0.0-ballot1
Standards status: Draft Draft as of 2026-03-24 Maturity Level: 0 Computable Name: NucleotideDNA1LetterAmbiguous

Single-letter ambiguous symbols for DNA residues.

References

This value set is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

Logical Definition (CLD)

  • Include these codes as defined in http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna version 📦1.0.0-ballot1
    CodeDisplayDefinition
    GGuanineG
    AAdenineA
    TThymineT
    CCytosineC
    RPurineG or A
    YPyrimidineT or C
    MAminoA or C
    KKetoG or T
    SStrong interaction (3 H bonds)G or C
    WWeak interaction (2 H bonds)A or T
    Hnot-G, H follows G in the alphabetA or C or T
    Bnot-A, B follows AG or T or C
    Vnot-T (not-U), V follows UG or C or A
    Dnot-C, D follows CG or A or T
    NAny nucleotideG or A or T or C

 

Expansion

Expansion performed internally based on codesystem Nucleotide DNA Symbols v1.0.0-ballot1 (CodeSystem)

This value set contains 15 concepts

SystemCodeDisplay (en)DefinitionJSONXML
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  GGuanineG
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  AAdenineA
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  TThymineT
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  CCytosineC
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  RPurineG or A
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  YPyrimidineT or C
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  MAminoA or C
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  KKetoG or T
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  SStrong interaction (3 H bonds)G or C
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  WWeak interaction (2 H bonds)A or T
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  Hnot-G, H follows G in the alphabetA or C or T
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  Bnot-A, B follows AG or T or C
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  Vnot-T (not-U), V follows UG or C or A
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  Dnot-C, D follows CG or A or T
http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna  NAny nucleotideG or A or T or C

Description of the above table(s).