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Test ID: F9INH    
Factor IX Inhibitor Evaluation

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

83103

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

Yes

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

Detection and titering of coagulation inhibitor to the specific factor requested, primarily factor IX in patients with hemophilia B

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
F_9Coag Factor IX Assay, PYesYes

Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)

Test IDReporting NameAvailable SeparatelyAlways Performed
IBETHBethesda UnitsNoNo
F9_ISFactor IX Inhib ScrnNoNo
CCCRSpecial Coagulation InterpretationNoNo

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

Testing begins with coagulation factor IX activity assay with dilutions to evaluate assay inhibition; if the factor IX activity assay is decreased, an inhibitor will be performed to look for specific factor IX inhibition. If specific inhibition is apparent, it will be titered.

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

F_9: Activated Partial Thromboplastin Time-Based Clotting Assay

F9_IS, IBETH: Clot-Based Assay

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

Factor IX Inhib Profile

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

Factor IX Inhibitor Profile
Factor IX Inhibitor Screen, Plasma