Home
HelpTest Code CYSTAB Cystatin C with Estimated GFR, Serum
Additional Codes
|
Test ID |
|
CYSTAB |
|
EPIC Test ID |
|
LAB4447 |
Specimen Requirements
Capillary blood collections are unsuitable for use in this assay. Cystatin C concentrations were significantly lower in capillary samples compared to venous blood samples.
Preferred Collection Container:
SST (Serum Separator)
PST (Plasma Separator),
Also Acceptable Collection Container:
Red (No Additive)
Green (Lithium Heparin)
Collection Information:
Collect blood in a plasma or serum separator tube (green or red top also acceptable).
Transport Information:
0.5 mL of refrigerated serum in a transport tube.
Minimum Sample Volume
0.2 mL of serum or plasma (approximately 0.5 mL of whole blood based upon normal patient hematocrit)
Specimen Stability
Stability Comments:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
Refrigerated Stability:
7 days
Frozen Stability:
6 months
Ambient Stability:
7 days
Report Availibility
Performed:
Daily
Analytical Time:
Same day
Unacceptable Conditions
Capillary blood samples.