S_FX - Overview: Protein S Activity, Plasma

Test Catalog

Test Name

Test ID: S_FX    
Protein S Activity, Plasma

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

Second-order testing for diagnosis of congenital or acquired protein S deficiency for example, as an adjunct to initial testing based on results of protein S antigen assay (free protein S antigen, with or without total protein S antigen assay)


Evaluating patients with a history of venous thromboembolism

Special Instructions and Forms Library of PDFs including pertinent information and consent forms, specimen collection and preparation information, test algorithms, and other information pertinent to test

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

Clot-Based End point

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


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

Protein S Activity, P

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

Functional Protein S
Protein S Activity, Plasma