Casandra
Casandra Test Code AR08197Version 1 (DRAFT)
Performing Lab
Soluble Transferrin Receptor (Change effective as of 10/20/25: Refer to 3020070 in the October Hotline)
Also known as: STR
Clinical Use
Order TestUse
Not provided.
Special Instructions
Change effective October 20, 2025; test code changed from 0070283 to 3020070 per October Hotline.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
Soluble Transferrin Receptor
AnalyteConcentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL (min 0.3 mL)
Minimum Volume
0.3 mL
Container
Serum separator tube or plasma separator tube; also acceptable: green (lithium heparin)
Collection Instructions
Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube
Storage Instructions
Refrigerated
Causes for Rejection
Contaminated, severely hemolyzed, icteric, or lipemic specimens
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Ambient: 72 hours |
| Refrigerated | 1 week |
| Frozen | 1 month (avoid repeated freeze/thaw cycles) |