Generated Narrative: CodeSystem nucleotide-dna

Last updated: 2026-03-23 00:00:00+0000

Profile: Shareable CodeSystem

This case-sensitive code system http://hl7.org/fhir/uv/cg-incubator/CodeSystem/nucleotide-dna defines the following codes:

CodeDisplayDefinition
G GuanineG
A AdenineA
T ThymineT
C CytosineC
R PurineG or A
Y PyrimidineT or C
M AminoA or C
K KetoG or T
S Strong interaction (3 H bonds)G or C
W Weak interaction (2 H bonds)A or T
H Not-G (H follows G in the alphabet)A or C or T
B Not-A (B follows A)G or T or C
V Not-T/Not-U (V follows U)G or C or A
D Not-C (D follows C)G or A or T
N Any nucleotideG or A or T or C
 <status value="draft"/> <experimental value="true"/> <date value="2026-03-23"/> <publisher value="HL7 International / Clinical Genomics"/> <contact> <name value="HL7 International / Clinical Genomics"/> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/clingenomics"/> </telecom> <telecom> <system value="email"/> <value value="clingenomics@lists.hl7.org"/> </telecom> </contact> <description value="Single-letter symbols for DNA residues based on IUPAC nomenclature, including unambiguous, ambiguous, and N symbols."/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <content value="complete"/> <concept> <code value="G"/> <display value="Guanine"/> <definition value="G"/> </concept> <concept> <code value="A"/> <display value="Adenine"/> <definition value="A"/> </concept> <concept> <code value="T"/> <display value="Thymine"/> <definition value="T"/> </concept> <concept> <code value="C"/> <display value="Cytosine"/> <definition value="C"/> </concept> <concept> <code value="R"/> <display value="Purine"/> <definition value="G or A"/> </concept> <concept> <code value="Y"/> <display value="Pyrimidine"/> <definition value="T or C"/> </concept> <concept> <code value="M"/> <display value="Amino"/> <definition value="A or C"/> </concept> <concept> <code value="K"/> <display value="Keto"/> <definition value="G or T"/> </concept> <concept> <code value="S"/> <display value="Strong interaction (3 H bonds)"/> <definition value="G or C"/> </concept> <concept> <code value="W"/> <display value="Weak interaction (2 H bonds)"/> <definition value="A or T"/> </concept> <concept> <code value="H"/> <display value="Not-G (H follows G in the alphabet)"/> <definition value="A or C or T"/> </concept> <concept> <code value="B"/> <display value="Not-A (B follows A)"/> <definition value="G or T or C"/> </concept> <concept> <code value="V"/> <display value="Not-T/Not-U (V follows U)"/> <definition value="G or C or A"/> </concept> <concept> <code value="D"/> <display value="Not-C (D follows C)"/> <definition value="G or A or T"/> </concept> <concept> <code value="N"/> <display value="Any nucleotide"/> <definition value="G or A or T or C"/> </concept> </CodeSystem>