Casandra
Casandra Test Code QD41548Version 1 (DRAFT)
Performing Lab
Neopterin, Serum
Clinical Use
Order TestUse
Increased levels of neopterin are found during impaired renal function and viral infections in transplant patients. Elevated levels are also indicators of conditions related to impaired cellular immunity.
Special Instructions
Collection tubes should be protected from light. Transfer separated serum or plasma to a plastic amber/protected‑from‑light transport tube if not using gel‑barrier tube.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (Other)
Biomarkers
Neopterin
AnalyteNeopterin • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
0.8 mL (preferred)
Minimum Volume
0.3 mL (minimum)
Container
Serum gel‑barrier tube or red‑top; transfer to plastic amber tube if not gel‑barrier
Collection Instructions
Protect from light; separate serum; transfer to amber/protected tube
Storage Instructions
Refrigerated with cold packs for transport
Causes for Rejection
Not light protected
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 72 hours |
| Frozen | 6 months |