Casandra
Casandra Test Code QD66954Version 1 (DRAFT)
Performing Lab
Arsenic, Blood
Clinical Use
Order TestUse
This assay is used to monitor exposure to arsenic, for wellness purposes, and to assist in therapy monitoring during treatment of chronic myelocytic leukemia.
Special Instructions
Not provided.
Limitations
Arsenic may only be present in blood for 4–6 hours; this test is most accurate in cases of acute poisoning.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Arsenic
AnalyteQuantitation • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Whole Blood
Volume
4 mL
Minimum Volume
2 mL
Container
EDTA (royal blue-top) tube; alternate: sodium heparin (royal blue-top) tube
Collection Instructions
Carefully clean skin before venipuncture; avoid work‑site collection.
Patient Preparation
Avoid seafood consumption for 48 hours before sample collection.
Causes for Rejection
Clotted specimens
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 10 days |
| Refrigerated | 10 days |
| Frozen | Unacceptable |