{{Rsnum
|rsid=17878459
|Gene=CYP2C19
|Chromosome=10
|position=94775165
|Orientation=plus
|ReferenceAllele=G
|MissenseAllele=C
|GMAF=0.01653
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
|Gene_s=CYP2C19
}}The [[rs17878459]](C) SNP defines the [[CYP2C19]] allele known as CYP2C19*2B, or as E92D.{{PMID|9732415}}

{{GET Evidence
|gene=CYP2C19
|aa_change=Glu92Asp
|aa_change_short=E92D
|impact=not reviewed
|qualified_impact=Insufficiently evaluated not reviewed
|inheritance=unknown
|quality_scores=Array
|dbsnp_id=rs17878459
|overall_frequency_n=4
|overall_frequency_d=128
|overall_frequency=0.03125
|n_genomes=3
|n_genomes_annotated=0
|n_haplomes=3
|n_articles=0
|n_articles_annotated=0
|pph2_score=0.001
|nblosum100=-2
|autoscore=1
|n_web_uneval=10
}}

{{ClinVar
|ALT=A,C
|CAF=0.9835; 0.01653
|CHROM=10
|CLNALLE=1
|CLNHGVS=NC_000010.10:g.96534922G>A
|CLNORIGIN=2
|CLNSIG=1
|COMMON=1
|FwdALT=A,C
|FwdREF=G
|GENEINFO=CYP2C19:1557
|GENE_ID=1557
|GENE_NAME=CYP2C19
|REF=G
|RSPOS=96534922
|Reversed=0
|SAO=3
|SSR=0
|Tags=PM;TPA;S3D;SLO;VLD;G5;HD;GNO;KGPhase1;KGPROD;OTHERKG;LSD
|VC=SNV
|VP=0x050370000000150516100120
|WGT=0
|dbSNPBuildID=124
|rsid=17878459
|CLNACC=RCV000069096.2
|CLNDBN=Malignant melanoma
|CLNDSDB=MedGen:SNOMED_CT
|CLNDSDBID=C0025202:2092003
|Disease=Malignant melanoma
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | HumanOmni1Quad}}