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Test ID: CH9    
Chromogenic Factor IX Activity Assay, Plasma

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

Monitoring coagulation factor replacement therapy of selected extended half-life coagulation factor replacements

 

Aiding in the diagnosis of hemophilia B using a 2-stage assay, especially when a 1-stage assay was normal

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

This assay is indicated in situations where there is a clinical suspicion of hemophilia B diagnosis, when the 1-stage assay is normal. However, this assay is also recommended for accurate classification of hemophilia B.

 

See Hemophilia Testing Algorithm in Special Instructions

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Chromogenic

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

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Chromogenic FIX, P

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

Chromogenic
Factor 9
Factor IX (rFIXFc)
Alprolix
Idelvion
Coagulation Factor IX (Recombinant), Fc Fusion Protein
Coagulation Factor IX (Recombinant), Albumin Fusion Protein
Coagulation Factor IX (Recombinant), glycoPEGylated
Extended Half-life