Test ID: 2C19O
Cytochrome P450 2C19 Genotype by Sequence Analysis, Saliva
NY State Approved 
Indicates the status of NY State approval and if the test is orderable for NY State clients.
Conditional
Useful For Suggests clinical disorders or settings where the test may be helpful
Identifying patients who are poor metabolizers or extensive metabolizers of drugs that are modified by CYP2C19
Evaluating individuals who have resistance to anticoagulation with 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 ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| 2C19Q | CYP2C19 Sequencing | No | Yes |
| O2C19 | CYP2C19 Sequence Genotype | No | Yes |
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) with Allele-Specific Primer Extension (ASPE)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
CYP2C19 Genotype, Saliva
Aliases Lists additional common names for a test, as an aid in searching
CYP
CYP2C19
Cytochrome
Cytochrome P450 2C19 Genotyping
P450
P450 Genotyping
Treatment Resistant Depression Panel
CYP2C19
Cytochrome
Cytochrome P450 2C19 Genotyping
P450
P450 Genotyping
Treatment Resistant Depression Panel
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