Cryofibrinogen
Test Mnemonic
CRYOFI
CPT Codes
- 82585 - QTY (1)
LOINC ®
29744-0
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Plasma | Sodium citrate (Lt. Blue) | See note | Ambient | Collect in 2 37C pre-warmed, 3.5 mL sodium citrate light blue top tubes. Fasting for 12 hours is required. Keep at 37C from collection until plasma separation. If possible, spin in a 37C centrifuge. Combine plasma from two tubes into one screw capped transport tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 1 week |
| Refrigerated | After separation from cells: 1 week |
| Frozen | Unacceptable |
Days Performed
Sun - Sat
Turnaround Time
4 - 6 days
Methodology
| Name | Description |
|---|---|
| Cold Precipitation |
Reference Range
| Cryofibrinogen | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Negative at 72 hours |
Special Info
3.2% sodium citrate is the preferred anticoagulant recommended by NCCLS. Unacceptable conditions: Heparinized blood, hemolyzed or lipemic plasma. Fasting sample is required.