Cryofibrinogen (376)
Use
Cryofibrinogen testing is used to detect cryofibrinogen, an abnormal fibrinogen that precipitates in plasma at cold temperatures and dissolves upon warming. It assists in diagnosing conditions like cryofibrinogenemia, which may present with cold‐induced vascular occlusion, purpura, ulcers, or vasculitis.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Other
Biomarkers
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
6 mL Plasma
Minimum Volume
3 mL Plasma
Container
Light Blue (Sodium Citrate)
Collection Instructions
Overnight fasting is required. Place specimen immediately after collection in a 37 C water bath, incubator, or heat pack for 1 hour, keep specimen at 37 C until after separation of plasma from red cells. Pre-warm bench-top centrifuge for 10 minutes before placing specimens in centrifuge.
Patient Preparation
Overnight fasting required
Causes for Rejection
Specimens received refrigerated or frozen; Heparinized plasma; Gross lipemia; Gross hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 Days |
| Refrigerated | Unacceptable |
| Frozen | Unacceptable |
Other tests from different labs that may be relevant