Test ID: FIXMS
Hemophilia B, Factor IX Gene Mutation Screening
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
84209
Useful For Suggests clinical disorders or settings where the test may be helpful
Ascertaining the causative mutation in the fIX gene of patients with congenital hemophilia B (factor IX activity deficiency)
Carrier testing of females in whom familial fIX genotype is unknown
Additional Tests Lists test(s) that are always performed, at an additional charge, with the initial test(s)
| Test ID | Secondary ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|---|
| FC9S | 88639 | Factor IX Mut Scrn Gene Sequencing | No | Yes |
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
When this test is ordered, factor IX mutation screen will always be performed at an additional charge.
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)/Fluorescent DNA Sequencing
(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Factor IX Gene Mutation Screening
Aliases Lists additional common names for a test, as an aid in searching
Christmas disease
Factor IX deficiency molecular diagnosis
Hemophilia B carrier testing
Hemophilia B genetic testing
Factor IX deficiency molecular diagnosis
Hemophilia B carrier testing
Hemophilia B genetic testing
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