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Test Code PROSF Protein S Activity

Important Note

For outpatients, this test must be collected at the Valley Health System- Ridgewood Campus Outpatient Laboratory only.

Specimen Requirements

Container/Tube: Light blue-top (3.2% sodium citrate) tube

Specimen Volume: Full 4.5-mL tube of whole blood

Collection Instructions: Immediately invert tube and mix gently 8 times. Clotted blood is not acceptable. Avoid hemolysis.
Note: Label specimen appropriately.

 

Specimen Transport Temperature

Ambient

Performing Laboratory

The Valley Hospital

Reference Values

Female: 55-123 %

Male: 76-144 %

Test Classification and CPT Coding

85306