Protein S Antigen Total & Free


Sunquest Code:PSTF  
Epic Code:LAB6591Epic Name:Protein S Antigen Total and Free
Methodology:ELISA
CPT Code:85306, 85305
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 7-10 days.
Associated Links:

Specimen Collection and Processing for Coagulation Specimens



Collection Instructions

Specimen:Blood
Optimal Volume:2.7 mL (in 3 mL tube) - fill to fill line on the tube
Minimum\Peds Volume:2.7 mL (in 3 mL tube) - fill to fill line on the tube
Collection Instructions:Patient should be off warfarin for at least 2 weeks before drawing sample.
Causes for Rejection:Overfilled or underfilled tubes. Specimen other than citrated plasma.


Processing and Shipping

Specimen Processing:See link to Specimen Collection and Processing of Coagulation Specimens for platelet-poor plasma. Aliquot 1.5 mL; 1 mL minimum. Freeze.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (Blood Center of Wisconsin)
Referral Lab number:1042


Interpretive

Reference Range:

 

Age

Male – Normal Range

Female – Normal Range

0-2 d

13-65

13-65

2-6 d

24-84

24-84

6-28 d

37-100

37-100

28 d – 4 mo

60-127

60-127

4 mo – 1 y

61-128

61-128

1-6 y

60-139

60-139

6-11 y

45-135

45-135

11-17 y

58-109

58-109

17 y and older

69-133

64-134

 

Age

Male – Normal Range

Female – Normal Range

0-2 d

13-56

13-56

2-6 d

24-73

24-73

6-28 d

37-87

37-87

28 d – 4 mo

60-110

60-110

4 mo – 1 y

61-111

61-111

1-6 y

52-131

52-131

6-11 y

54-118

54-118

11-17 y

64-105

64-105

17 y and older

68-119

65-113

 

 



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