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Free Protein S Antigen
(a.k.a Protein S, Prot, PRS, FPS)
minimum sample volume required ~ 2.7ml
Tube type: 9NC
Special instructions
Contact Haem consultant before requesting. Patients on warfarin or with elevated Rheumatoid factor should not be tested. Time limit for add on= fresh sample required
Please contact laboratory for paediatric reference ranges.
Please note that this test is not accredited to ISO:15189 due to recent changes in equipment. This test has been verified internally and accreditation has been applied for.
Contact Laboratory before requesting
Reference range
0.74 - 1.46 (Male) 0.55 - 1.24 (Female)
Units
IU/ml
Linked to
Thrombophilia screen
Turnaround Time
42
days
Department: Haematology
