Test	Company	CYP2C19 Variants Included	Sample Type	Available Direct-to-consumer (DTC)
AccuType™ CP testing for Clopidogrel CYP2C19 Genotype (*1, *2, *3, *4, *5)	Quest Diagnostics	*1, *2, *3, *4, *5	Whole blood or saliva	No
Clopidogrel P450 Genotype	Quest Diagnostics	*1, *2, *3 (also includes 26 variants in CYP2D6)	Whole blood	No
Plavitest for Clopidogrel Resistance (CYP 2C19)	Genelex Corporation	*1, *2, *3, *4, *5, *6, *7, *8	Whole blood or buccal (cheek) swab	No
Comprehensive DNA Drug Sensitivity Test	Genelex Corporation	Unspecified	Whole blood or buccal (cheek) swab	No
Medications Panel [part of the “Health Compass”]	Navigenics, Inc.	“Two of the most common genetic variants in CYP2C19”	Saliva	No
Clopidogrel Efficacy [part of the “Health Edition” test]	23andMe	*1, *2, *3, *4, *8, and *17	Saliva	Yes
Drug Response (Medication) [part of the “Total Health Insight” test]	Pathway Genomics	Unspecified	Saliva	Yes, except in New York state
Clopidogrel Activation	Matrix Genomics	*1, *2, *3, *4, *5, *6, *7, *8, *9, *10, *17	Buccal (cheek) swab	Yes
Cytochrome P450 2C19 (CYP2C19) 7 Mutations	ARUP Laboratories	*1, *2, *3, *4, *5, *6, *7, *8	Whole blood	No
CYP450 2C19 Gene Test / Genetic Physician Consult	MyMedLab, Inc.	Unspecified	Buccal (cheek) swab	Yes, though orders must be approved by a MyMedLab physician
Clopidogrel Genetic Test	TheranostiCs Lab	Unspecified	Buccal (cheek) swab	Yes