XIG: CodeSystem/nucleotide-dna-1letter-ambiguous

FHIR IG Statistics: CodeSystem/nucleotide-dna-1letter-ambiguous

Package	hl7.fhir.uv.molecular-definition-data-types
Resource Type	CodeSystem
Id	nucleotide-dna-1letter-ambiguous
FHIR Version	R6
Source	http://hl7.org/fhir/uv/molecular-definition-data-types/https://build.fhir.org/ig/HL7/molecular-definition-data-types/CodeSystem-nucleotide-dna-1letter-ambiguous.html
URL	http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna-1letter-ambiguous
Version	1.0.0-ballot1
Status	draft
Date	2025-08-01T20:32:22+00:00
Name	NucleotideDNA1LetterAmbiguous
Title	Nucleotide DNA 1-letter Ambiguous Symbols
Realm	uv
Authority	hl7
Description	Single-letter ambiguous symbols for DNA residues.
Content	complete

Resources that use this resource

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Resources that this resource uses

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Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: CodeSystem nucleotide-dna-1letter-ambiguous

This case-sensitive code system http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna-1letter-ambiguous defines the following codes:

Code	Display	Definition
G	Guanine	G
A	Adenine	A
T	Thymine	T
C	Cytosine	C
R	Purine	G or A
Y	Pyrimidine	T or C
M	Amino	A or C
K	Keto	G 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	G or A or T or C

Source

{
  "resourceType": "CodeSystem",
  "id": "nucleotide-dna-1letter-ambiguous",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "cg"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/molecular-definition-data-types/ImplementationGuide/hl7.fhir.uv.molecular-definition-data-types"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "draft",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/molecular-definition-data-types/ImplementationGuide/hl7.fhir.uv.molecular-definition-data-types"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/nucleotide-dna-1letter-ambiguous",
  "version": "1.0.0-ballot1",
  "name": "NucleotideDNA1LetterAmbiguous",
  "title": "Nucleotide DNA 1-letter Ambiguous Symbols",
  "status": "draft",
  "experimental": false,
  "date": "2025-08-01T20:32:22+00:00",
  "publisher": "HL7 International / Clinical Genomics",
  "contact": [
    {
      "name": "HL7 International / Clinical Genomics",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/clingenomics"
        },
        {
          "system": "email",
          "value": "cg@lists.HL7.org"
        }
      ]
    }
  ],
  "description": "Single-letter ambiguous symbols for DNA residues.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "content": "complete",
  "count": 15,
  "concept": [
    {
      "code": "G",
      "display": "Guanine",
      "definition": "G"
    },
    {
      "code": "A",
      "display": "Adenine",
      "definition": "A"
    },
    {
      "code": "T",
      "display": "Thymine",
      "definition": "T"
    },
    {
      "code": "C",
      "display": "Cytosine",
      "definition": "C"
    },
    {
      "code": "R",
      "display": "Purine",
      "definition": "G or A"
    },
    {
      "code": "Y",
      "display": "Pyrimidine",
      "definition": "T or C"
    },
    {
      "code": "M",
      "display": "Amino",
      "definition": "A or C"
    },
    {
      "code": "K",
      "display": "Keto",
      "definition": "G or T"
    },
    {
      "code": "S",
      "display": "Strong interaction (3 H bonds)",
      "definition": "G or C"
    },
    {
      "code": "W",
      "display": "Weak interaction (2 H bonds)",
      "definition": "A or T"
    },
    {
      "code": "H",
      "display": "not-G, H follows G in the alphabet",
      "definition": "A or C or T"
    },
    {
      "code": "B",
      "display": "not-A, B follows A",
      "definition": "G or T or C"
    },
    {
      "code": "V",
      "display": "not-T (not-U), V follows U",
      "definition": "G or C or A"
    },
    {
      "code": "D",
      "display": "not-C, D follows C",
      "definition": "G or A or T"
    },
    {
      "code": "N",
      "display": "Any",
      "definition": "G or A or T or C"
    }
  ]
}