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HelpTest Code D Dimer Qt D-DIMER QUANTITATIVE
Patient Preparation
No special patient preparation required
Special Collection Instructions
Properly filled 9:1 ratio (blood to anticoagulant); 3.2% NaCitrate tube
Collection Method
Venous Draw; properly filled 9:1 ratio (blood to anticoagulant)
Minimum Volume
0.5 of plasma from a properly filled 1.8 mL or 2.7 mL NaCitrate (light blue) tube
Container
Light Blue Sodium Citrate tube
Preferred Specimen
2.7 mL Lt Blue (3.2% NaCitrate) tube
Acceptable Specimen(s)
1.8 mL Lt Blue (3.2% NaCitrate) tube
Reference or Target Ranges
|
Normal Range: |
0.00-0.50 mg/L FEU |
|
Negative Cut-off Range: |
0.50 mg/L FEU |
Reportable Units
FEU (Fibrinogen Equivalent Units)
Critical Value
Not defined for this assay
Reasons for Rejection
|
Hemolysis Threshold: |
100 mg/dL |
|
Icterus Threshold: |
15 mg/dL |
|
Lipemia Threshold: |
600 mg/dL |
|
Other: |
Short draws, over filling tubes, clotted, contaminated, Improperly labeled, samples >24 hours from collection |
Specimen Stability
|
Ambient: |
24 Hours |
|
Frozen: |
15 Days |
Performance Information
|
Days and Time Performed |
24/7 |
|
Expected Turn Around Time |
Stat: 1 Hour, Routine: 4 Hours |
|
Stat Availability |
Yes |
|
Performing Bench |
CRMC Coag |
|
Methodology/Method Description |
CS-2500 |
Methodology/Method Description
CS-2500 Chromogenic assay
CPT Codes
85379