Casandra
Casandra Test Code QD75057Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 10600
Cytomegalovirus DNA, Quantitative, Real‑Time PCR, Plasma
Clinical Use
Order TestUse
Quantitative PCR measurement of cytomegalovirus (CMV) DNA in plasma, used for monitoring viral load in patients at risk of CMV infection (e.g., immunocompromised or transplant recipients). The quantitative viral load informs clinical management decisions.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
PCR-based (PCR)
Biomarkers
Cytomegalovirus DNA
AnalyteCMV DNA, QN PCR • 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
Plasma
Volume
2 mL (1 mL minimum)
Minimum Volume
1 mL minimum
Container
EDTA (lavender‑top) tube
Collection Instructions
Do not freeze whole blood or samples stored in primary tube. Freshly drawn specimens may be stored at 2‑25 °C for up to 24 hours prior to centrifugation. Separate plasma from cells within 24 hours of collection by centrifugation.
Causes for Rejection
Sodium or lithium heparin (green‑top) tube; unspun PPT tubes; frozen whole blood
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 6 days |
| Frozen | 84 days (‑70 °C: 6 months) |