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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Fibrinogen, Plasma Quantitative
Test Code: FIB
Synonyms/Keywords
Factor I, Clottable Fibrinogen​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​
Whole Blood,
Plasma​
3.2% Citrated Blue Top Tube (BTT)​ 0.75 mL  Plasma​ 0.5 mL  Plasma​
Collection Processing Instructions
-Citrated Blue Top Tube (BTT) must be drawn to the fill line.
-Completely invert tube three or four times to mix. Do Not Shake.
-Centrifuge tube at 3000 rpm for 10 minutes or Stat Spin for 3 minutes at 8500 rpm with the brake OFF as soon as possible after collection.
-Perform testing within 24 hours of specimen collection.
Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ or Plasma Ambient or Refrigerated​ 24 Hours​
Plasma​ Frozen (-18°C)​ 2 Weeks ​
Frozen (-70°C)​ 6 Months​
Frozen thawed​ 2 Hours​
Rejection Criteria
Gross hemolysis​​
Specimens filled below the fill line
Clotted​
Frozen whole blood​
Known IV fluid or Hickman line fluid contamination ​
Specimens with abnormal results that have  a Hct >55% that have not had the citrate anticoagulant adjusted​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center
Monday through Sunday​ Less than 2 hours​ Optical Clot Detection/Sysmex CS-2500​
​Eau Claire ​Monday through Sunday ​Less than 2 hours ​Optical Clot Detection/Sysmex CS-2500
Flambeau Hospital
​Monday through Sunday​ ​Less than 2 hours​ ​Optical Clot Detection/Sysmex CS-2500​
Lakeview Medical Center ​Monday through Sunday​ ​Less than 2 hours​ Optical Clot Detection/Sysmex CS-2500​
​​Marshfield​ ​Monday through Sunday​ ​Less than 2 hours​ ​Optical Clot Detection/Sysmex CS-2500​
Test Information
​Moderate hemolysis does not interfere with sample analysis, however it may be an indicator of clotting factor activation prior to testing.  Clinical correlation with results recommended.
Reference Range Information
Performing Location Reference Range
Marshfield​ 159 - 462 mg/dL ​
See Critical value List for list of current critical values​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
85384​
Synonyms/Keywords
Factor I, Clottable Fibrinogen​
Ordering Applications
Ordering Application Description
​Centricity ​Fibrinogen
​Cerner ​Fibrinogen
COM​​ ​Fibrinogen - Quantitative
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​
Whole Blood,
Plasma​
3.2% Citrated Blue Top Tube (BTT)​ 0.75 mL  Plasma​ 0.5 mL  Plasma​
Collection Processing Instructions
-Citrated Blue Top Tube (BTT) must be drawn to the fill line.
-Completely invert tube three or four times to mix. Do Not Shake.
-Centrifuge tube at 3000 rpm for 10 minutes or Stat Spin for 3 minutes at 8500 rpm with the brake OFF as soon as possible after collection.
-Perform testing within 24 hours of specimen collection.
Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ or Plasma Ambient or Refrigerated​ 24 Hours​
Plasma​ Frozen (-18°C)​ 2 Weeks ​
Frozen (-70°C)​ 6 Months​
Frozen thawed​ 2 Hours​
Rejection Criteria
Gross hemolysis​​
Specimens filled below the fill line
Clotted​
Frozen whole blood​
Known IV fluid or Hickman line fluid contamination ​
Specimens with abnormal results that have  a Hct >55% that have not had the citrate anticoagulant adjusted​
Test Information
​Moderate hemolysis does not interfere with sample analysis, however it may be an indicator of clotting factor activation prior to testing.  Clinical correlation with results recommended.
Reference Range Information
Performing Location Reference Range
Marshfield​ 159 - 462 mg/dL ​
See Critical value List for list of current critical values​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Diagnostic Treatment Center
Monday through Sunday​ Less than 2 hours​ Optical Clot Detection/Sysmex CS-2500​
​Eau Claire ​Monday through Sunday ​Less than 2 hours ​Optical Clot Detection/Sysmex CS-2500
Flambeau Hospital
​Monday through Sunday​ ​Less than 2 hours​ ​Optical Clot Detection/Sysmex CS-2500​
Lakeview Medical Center ​Monday through Sunday​ ​Less than 2 hours​ Optical Clot Detection/Sysmex CS-2500​
​​Marshfield​ ​Monday through Sunday​ ​Less than 2 hours​ ​Optical Clot Detection/Sysmex CS-2500​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
85384​
For most current information refer to the Marshfield Laboratory online reference manual.