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22629 Fibrinogen Antigen

Fibrinogen Antigen
Test Code: MISC
Synonyms/Keywords
​Ref Lab Code: 1012, Factor I Antigen, Immunologic Fibrinogen
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 ​Citrated Blue Top Tube (BTT) ​  0.5 mL aliquots​ ​ 0.1 mL​
Collection Processing Instructions
These tubes should be drawn at least 90% full. Invert tube completely three or four times to mix. Do Not Shake. Centrifuge at 3000 rpm (refrigerated centrifuge preferred) for 10 minutes with the brake OFF. Transfer plasma to a polypropylene tube with a plastic pipette. Re-centrifuge this tube and then transfer top plasma to clean polypropylene tubes with another plastic pipette. Freeze immediately. Samples must be frozen within 2 hours of drawing. Do not filter plasma.​
Specimen Stability Information
Specimen Type Temperature Time
​Plasma ​ Frozen @ -20°C    ​ ​14 days
Frozen @ -80°C ​ 1 year​
Rejection Criteria
Grossly Hemolyzed
​Non-frozen samples
​More than one freeze/thaw cycle
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Versiti​ Monday 7-10 days​ ​Radial Immunodiffusion
Reference Lab
Versiti/Blood Center of Wisconsin
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
85385​
 ​ ​ ​ ​
Synonyms/Keywords
​Ref Lab Code: 1012, Factor I Antigen, Immunologic Fibrinogen
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 ​Citrated Blue Top Tube (BTT) ​  0.5 mL aliquots​ ​ 0.1 mL​
Collection Processing
These tubes should be drawn at least 90% full. Invert tube completely three or four times to mix. Do Not Shake. Centrifuge at 3000 rpm (refrigerated centrifuge preferred) for 10 minutes with the brake OFF. Transfer plasma to a polypropylene tube with a plastic pipette. Re-centrifuge this tube and then transfer top plasma to clean polypropylene tubes with another plastic pipette. Freeze immediately. Samples must be frozen within 2 hours of drawing. Do not filter plasma.​
Specimen Stability Information
Specimen Type Temperature Time
​Plasma ​ Frozen @ -20°C    ​ ​14 days
Frozen @ -80°C ​ 1 year​
Rejection Criteria
Grossly Hemolyzed
​Non-frozen samples
​More than one freeze/thaw cycle
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Versiti​ Monday 7-10 days​ ​Radial Immunodiffusion
Reference Lab
Versiti/Blood Center of Wisconsin
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
85385​
 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.