Protein S Functional Activity (BLOD0226)

Test Code: BLOD0226

Overview
Ordering
Specimen
Performing
Clinical/Interpretive
Contacts
Coding

Specimen Requirements

Specimen Type	Preferred Container/Tube	Acceptable Container/Tube	Specimen Volume	Specimen Minimum Volume (allows for 1 repeat)	Pediatric Minimum Volume (no repeat)
Plasma	Blue Top Tube (Sodium Citrate)		1 full Blue Top Tube	0.5 mL platelet-poor plasma

Collection Processing Instructions

Tube must be filled to the minimum draw line. Transport to laboratory immediately.
Double Spinning Samples for Coagulation Testing

1. Centrifuge the primary NaCit tube.

2. Remove plasma layer with a transfer pipet and place into a polypropylene tube. Do not disturb platelet layer.

3. Centrifuge this first aliquot tube.

4. Remove plasma leaving a small amount at the bottom of the tube. Use care not to disturb the pellet at the bottom.

5. Transfer this platelet free plasma into two polypropylene aliquot tubes. (0.5 mL in each tube).

6. Freeze samples at -20° C

Specimens are forwarded to appropriate testing lab by Sanford- Sioux Falls.

Specimen Stability Information

Specimen Type	Temperature	Time
Plasma	Room Temp	4 hours
	Refrigerated	Not acceptable
	Frozen (Preferred)	1 month (platelet-poor plasma)

Performing Laboratory Information

Performing Location	Day(s) Test Performed	Analytical Time	Methodology/Instrumentation
Sanford Laboratories Fargo-Core Lab	Tuesday and Friday	1-4 days	Mechanical clotting

Reference Lab

Sanford Laboratories Sioux Falls

Outreach CPTs

CPT	Modifier (if needed)	Quantity	Description	Comments

Ordering Applications

Ordering Application	Description

If the ordering application you are looking for is not listed, contact your local laboratory for assistance.

Specimen Requirements

Specimen Type	Preferred Container/Tube	Acceptable Container/Tube	Specimen Volume	Specimen Minimum Volume (allows for 1 repeat)	Pediatric Minimum Volume (no repeat)
Plasma	Blue Top Tube (Sodium Citrate)		1 full Blue Top Tube	0.5 mL platelet-poor plasma

Collection Processing

Tube must be filled to the minimum draw line. Transport to laboratory immediately.
Double Spinning Samples for Coagulation Testing

1. Centrifuge the primary NaCit tube.

2. Remove plasma layer with a transfer pipet and place into a polypropylene tube. Do not disturb platelet layer.

3. Centrifuge this first aliquot tube.

4. Remove plasma leaving a small amount at the bottom of the tube. Use care not to disturb the pellet at the bottom.

5. Transfer this platelet free plasma into two polypropylene aliquot tubes. (0.5 mL in each tube).

6. Freeze samples at -20° C

Specimens are forwarded to appropriate testing lab by Sanford- Sioux Falls.

Specimen Stability Information

Specimen Type	Temperature	Time
Plasma	Room Temp	4 hours
	Refrigerated	Not acceptable
	Frozen (Preferred)	1 month (platelet-poor plasma)

For more information visit:

http://labtestsonline.org

Performing Laboratory Information

Performing Location	Day(s) Test Performed	Analytical Time	Methodology/Instrumentation
Sanford Laboratories Fargo-Core Lab	Tuesday and Friday	1-4 days	Mechanical clotting

Reference Lab

Sanford Laboratories Sioux Falls

For billing questions, see Contacts

Outreach CPTs

CPT	Modifier (if needed)	Quantity	Description	Comments

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For most current information refer to the Marshfield Laboratory online reference manual.

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26812 Protein S Functional Activity (BLOD0226)