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Test Referenced | Entry Type | Mayo ID | Description | Reporting Description | Method | Collection Container | Temperature | Stability | [NAME] | Unit of Measure | [NAME] | Minimum Volume | Reject Due To | Reference Values | Days/Times Performed | Analytic Time | Maximum Lab Time | CPT Units | CPT Code | LOINC® Code | LOINC® Attributes | Always Performed | Orderable Separately | Performing Location
WARFP | Test | WARFP | Warfarin Sensitivity Genotype by Sequence Analysis, Blood | Warfarin Sensitivity Genotype | Polymerase Chain Reaction (PCR) Followed by DNA Sequence Analysis | Lavender-top (EDTA) Tube: EDTA |  |  | 3 | mL | This test is used for assessing CYP2C9 and [NAME] genes for polymorphisms affecting the metabolism of warfarin/[NAME]. This assay should be ordered on patients who are receiving warfarin for the first time or who require decreased warfarin dosing to maintain the international normalized ratio (INR) in the therapeutic range.   If using drugs other than warfarin, order 2C9S / Cytochrome P450 2C9 Genotype by Sequence Analysis, Blood which only includes testing for the CYP2C9 gene.   Multiple whole blood EDTA genotype tests can be performed on a single specimen after a single extraction. See Multiple Whole Blood EDTA Genotype Tests in Special Instructions for a list of tests that can be ordered together.   Container/Tube: Lavender top (EDTA) [NAME]: 3 mL  Collection Instructions: Send specimen in original tube. Additional Information:  1. Bone marrow and liver transplants will interfere with testing. Call Mayo Medical Laboratories at [PHONE] or [PHONE] for instructions. 2. Transfusions will interfere with testing for up to 4 to 6 weeks. DNA obtained from white cells may not provide useful information for patients who received a recent transfusion of blood that was not leukocyte-reduced. Wait 4 to 6 weeks until transfused cells have left the patient's circulation before drawing the patient's blood specimen for genotype testing. 3. Cytochrome P450 Patient Education Brochure (Supply T526) is available upon request. Forms: New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (Supply T576) is available in Special Instructions. | 0.3 mL | Hemolysis	NA Thawing	NA Lipemia	NA Icterus	NA Other	NA | An interpretive report will be provided. | Varies | 5 days | 10 days |  | Profile |  |  |  |  | Rochester
WARFP | [NAME] | WBEDTA | [NAME] EDTA |  |  |  | Ambient
WARFP | Billing Component | WARFP |  | CYP2C9 GENE COM VARIANTS |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 81227
WARFP | Billing Component | WARFP |  | [NAME] |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 81355
WARFP | Component | WARFS | Warfarin Sensitivity, Genotype | Warfarin Sensitivity, Genotype | Only orderable as part of a profile. For further information see WARFP / Warfarin Sensitivity Genotype by Sequence Analysis, Blood. | Lavendar-top (EDTA) Tube: EDTA (<1 month old infant) |  |  | 3 | mL | Only orderable as part of a profile. For further information see WARFP / Warfarin Sensitivity Genotype by Sequence Analysis, Blood. | 0.3 mL |  | Only orderable as part of a profile. For further information see WARFP / Warfarin Sensitivity Genotype by Sequence Analysis, Blood. |  |  |  |  | Profile |  |  | Yes | No
WARFS | [NAME] | WBEDTA | [NAME] EDTA |  |  |  | Ambient
WARFS | Result | 26941 | Warfarin Sens Phenotype Interp | Warfarin Sens Phenotype Interp | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 69047-9 | Service comment 01:Imp:Pt:[NAME]:Nom:
WARFS | Result | 32183 | CYP2C9 Star Alleles/VKORC1 Genotype | CYP2C9 Star Alleles/VKORC1 Genotype | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 54451-0 | CYP2C9 & VKORC1:Imp:Pt:Bld/Tiss:Nar:Molgen
WARFS | Result | 28359 | CYP2C9 430C>T(*2) | CYP2C9 430C>T(*2) | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFS | Result | 28360 | CYP2C9 818delA(*6) | CYP2C9 818delA(*6) | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFS | Result | 28361 | CYP2C9 1075A>C(*3) | CYP2C9 1075A>C(*3) | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFS | Result | 28362 | CYP2C9 1076T>C(*4) | CYP2C9 1076T>C(*4) | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFS | Result | 28363 | CYP2C9 1080C>G(*5) | CYP2C9 1080C>G(*5) | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFS | Result | 87988 | [NAME]>A | [NAME]>A | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFS | Result | 28332 | Warfarin Sens Genotype Interp | Warfarin Sens Genotype Interp | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 69047-9 | Service comment 01:Imp:Pt:[NAME]:Nom:
WARFS | Result | 28364 | Warfarin Sensitivity Reviewed by | Warfarin Sensitivity Reviewed by | Numeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process
WARFP | Component | WARFQ | Warfarin Sensitivity Genotyping | Warfarin Sensitivity Genotyping | Only orderable as part of a profile. For further information see WARFP / Warfarin Sensitivity Genotype by Sequence Analysis, Blood. |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 81223 |  |  | Yes | No
WARFQ | [NAME] | SALIVA | Saliva |  |  |  | Ambient
WARFQ | Result | WARFQ | Warfarin Sensitivity Genotyping | Warfarin Sensitivity Genotyping | Alphanumeric |  |  |  |  |  |  |  |  |  |  |  |  |  |  | In Process