CPIC guideline for clopidogrel based on CYP2C19 genotype
CPIC guideline for voriconazole based on CYP2C19 genotype
CPIC guideline for selective serotonin reuptake inhibitors based on CYP2D6 and CYP2C19 genotype
CPIC guideline for tricyclic antidepressants based on CYP2D6 and CYP2C19 genotype
CPIC guideline for proton pump inhibitors based on CYP2C19 genotype
For gene-specific information tables (i.e. CYP2C19 allele definition, allele functionality, frequency and diplotype-phenotype tables) see guideline pages or PharmGKB.