Mobile Site ›
Print Friendly View

Test ID: 2C19S    
Cytochrome P450 2C19 Genotype by Sequence Analysis

Secondary ID A test code used for billing and in test definitions created prior to November 2011


NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

Identifying patients who may be at risk for altered metabolism of drugs that are modified by CYP2C19


Predicting anticoagulation response to clopidogrel

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
2C19CYP2C19 Sequence GenotypeNoYes
2C19QCYP2C19 SequencingNoYes

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.


Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Polymerase Chain Reaction (PCR) Followed by DNA Sequence Analysis

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

CYP2C19 Sequence Genotype

Aliases Lists additional common names for a test, as an aid in searching

Clopidogrel (Plavix)
Cytochrome P450 2C19 Genotyping
P450 2C19 Genotyping
Treatment Resistant Depression Panel