Test ID: WARFP
Warfarin Sensitivity Genotype by Sequence Analysis, Blood
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
60529
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 may require warfarin dosing adjustments(2,3) including:
-Patients who have previously been prescribed warfarin and have required multiple dosing adjustments to maintain the international normalized ratio in the target range
-Patients with a history of thrombosis or bleeding when previously taking warfarin
-Patients being started on a first prescription for warfarin
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 |
|---|---|---|---|
| WARFS | Warfarin Sensitivity, Genotype | No | Yes |
| WARFQ | Warfarin Sensitivity Genotyping | 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) Followed by DNA Sequence Analysis
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Warfarin Sensitivity Genotype
Aliases Lists additional common names for a test, as an aid in searching
2C9
Coumadin Genotype
CYP2C9
Cytochrome P450 2C9 Genotyping
P450 2C9 Genotyping
Vitamin K Epoxide Reductase Subunit 1
Vitamin K Genotype (VKORC1)
VKORC1 and 2C9
Warfarin Genotype
Coumadin Genotype
CYP2C9
Cytochrome P450 2C9 Genotyping
P450 2C9 Genotyping
Vitamin K Epoxide Reductase Subunit 1
Vitamin K Genotype (VKORC1)
VKORC1 and 2C9
Warfarin Genotype
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