Mobile Site ›
Print Friendly View

Test ID: 2C9SO    
Cytochrome P450 2C9 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.


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

Assessing CYP2C9 for polymorphisms affecting the metabolism of drugs other than warfarin/Coumadin


Predicting metabolism status for drugs that are modified by CYP2C9


Evaluating patients for adverse drug reactions involving fluoxetine(1)


Assessing hypoglycemia with accepted dosing of oral hypoglycemic agents and sulfonylureas(2)


Assessing causes of idiosyncratic reactions to nonsteroidal anti-inflammatory drugs(3) 


As an aid in altering dosing of antiepileptic drugs(4)


Genotyping patients who prefer not to have venipuncture done

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
2C9QCYP2C9 SequencingNoYes
2C9OCYP2C9 GenotypeNoYes

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

CYP2C9 Genotype, Saliva

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

Cytochrome P450 2C9 Genotyping
P450 2C9 Genotyping