{ "resourceType" : "CodeSystem", "id" : "amino-acid", "meta" : { "lastUpdated" : "2026-03-23T00:00:00Z", "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"] }, "language" : "en", "text" : { "status" : "generated", "div" : "

Generated Narrative: CodeSystem amino-acid

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/amino-acid defines the following codes:

CodeDisplayDefinition
A AlanineA
C CysteineC
D Aspartic acidD
E Glutamic acidE
F PhenylalanineF
G GlycineG
H HistidineH
I IsoleucineI
K LysineK
L LeucineL
M MethionineM
N AsparagineN
P ProlineP
Q GlutamineQ
R ArginineR
S SerineS
T ThreonineT
V ValineV
W TryptophanW
Y TyrosineY
B Aspartic acid or asparagineD or N
U SelenocysteineU
X Unknown or other amino acidAny amino acid
Z Glutamic acid or glutamineE or Q
Ala AlanineAla
Cys CysteineCys
Asp Aspartic acidAsp
Glu Glutamic acidGlu
Phe PhenylalaninePhe
Gly GlycineGly
His HistidineHis
Ile IsoleucineIle
Lys LysineLys
Leu LeucineLeu
Met MethionineMet
Asn AsparagineAsn
Pro ProlinePro
Gln GlutamineGln
Arg ArginineArg
Ser SerineSer
Thr ThreonineThr
Val ValineVal
Trp TryptophanTrp
Tyr TyrosineTyr
Asx Aspartic acid or asparagineAsp or Asn
Sec SelenocysteineSec
Xaa Unknown or other amino acidAny amino acid
Glx Glutamic acid or glutamineGlu or Gln
" }, "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg", "valueCode" : "cg" }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode" : "informative" }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm", "valueInteger" : 0 }], "url" : "http://hl7.org/fhir/uv/cg-incubator/CodeSystem/amino-acid", "version" : "0.1.0-ci-build", "name" : "AminoAcid", "title" : "Amino Acid Symbols", "status" : "draft", "experimental" : true, "date" : "2026-03-23", "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" : "clingenomics@lists.hl7.org" }] }], "description" : "Single-letter and three-letter symbols for amino acids based on IUPAC nomenclature, including unambiguous and ambiguous symbols.", "jurisdiction" : [{ "coding" : [{ "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm", "code" : "001", "display" : "World" }] }], "caseSensitive" : true, "content" : "complete", "concept" : [{ "code" : "A", "display" : "Alanine", "definition" : "A" }, { "code" : "C", "display" : "Cysteine", "definition" : "C" }, { "code" : "D", "display" : "Aspartic acid", "definition" : "D" }, { "code" : "E", "display" : "Glutamic acid", "definition" : "E" }, { "code" : "F", "display" : "Phenylalanine", "definition" : "F" }, { "code" : "G", "display" : "Glycine", "definition" : "G" }, { "code" : "H", "display" : "Histidine", "definition" : "H" }, { "code" : "I", "display" : "Isoleucine", "definition" : "I" }, { "code" : "K", "display" : "Lysine", "definition" : "K" }, { "code" : "L", "display" : "Leucine", "definition" : "L" }, { "code" : "M", "display" : "Methionine", "definition" : "M" }, { "code" : "N", "display" : "Asparagine", "definition" : "N" }, { "code" : "P", "display" : "Proline", "definition" : "P" }, { "code" : "Q", "display" : "Glutamine", "definition" : "Q" }, { "code" : "R", "display" : "Arginine", "definition" : "R" }, { "code" : "S", "display" : "Serine", "definition" : "S" }, { "code" : "T", "display" : "Threonine", "definition" : "T" }, { "code" : "V", "display" : "Valine", "definition" : "V" }, { "code" : "W", "display" : "Tryptophan", "definition" : "W" }, { "code" : "Y", "display" : "Tyrosine", "definition" : "Y" }, { "code" : "B", "display" : "Aspartic acid or asparagine", "definition" : "D or N" }, { "code" : "U", "display" : "Selenocysteine", "definition" : "U" }, { "code" : "X", "display" : "Unknown or other amino acid", "definition" : "Any amino acid" }, { "code" : "Z", "display" : "Glutamic acid or glutamine", "definition" : "E or Q" }, { "code" : "Ala", "display" : "Alanine", "definition" : "Ala" }, { "code" : "Cys", "display" : "Cysteine", "definition" : "Cys" }, { "code" : "Asp", "display" : "Aspartic acid", "definition" : "Asp" }, { "code" : "Glu", "display" : "Glutamic acid", "definition" : "Glu" }, { "code" : "Phe", "display" : "Phenylalanine", "definition" : "Phe" }, { "code" : "Gly", "display" : "Glycine", "definition" : "Gly" }, { "code" : "His", "display" : "Histidine", "definition" : "His" }, { "code" : "Ile", "display" : "Isoleucine", "definition" : "Ile" }, { "code" : "Lys", "display" : "Lysine", "definition" : "Lys" }, { "code" : "Leu", "display" : "Leucine", "definition" : "Leu" }, { "code" : "Met", "display" : "Methionine", "definition" : "Met" }, { "code" : "Asn", "display" : "Asparagine", "definition" : "Asn" }, { "code" : "Pro", "display" : "Proline", "definition" : "Pro" }, { "code" : "Gln", "display" : "Glutamine", "definition" : "Gln" }, { "code" : "Arg", "display" : "Arginine", "definition" : "Arg" }, { "code" : "Ser", "display" : "Serine", "definition" : "Ser" }, { "code" : "Thr", "display" : "Threonine", "definition" : "Thr" }, { "code" : "Val", "display" : "Valine", "definition" : "Val" }, { "code" : "Trp", "display" : "Tryptophan", "definition" : "Trp" }, { "code" : "Tyr", "display" : "Tyrosine", "definition" : "Tyr" }, { "code" : "Asx", "display" : "Aspartic acid or asparagine", "definition" : "Asp or Asn" }, { "code" : "Sec", "display" : "Selenocysteine", "definition" : "Sec" }, { "code" : "Xaa", "display" : "Unknown or other amino acid", "definition" : "Any amino acid" }, { "code" : "Glx", "display" : "Glutamic acid or glutamine", "definition" : "Glu or Gln" }] }