Casandra
Casandra Test Code MC23007Version 1 (DRAFT)
Performing Lab
Barbiturates, Umbilical Cord Tissue
Clinical Use
Order TestUse
This test detects barbiturates in umbilical cord tissue as part of neonatal drug exposure screening. It is intended to provide evidence of in‑utero exposure to barbiturates via analysis of neonatal tissue at birth. Confirmation testing will be performed when appropriate, at no additional charge.
Special Instructions
Not provided.
Limitations
Results rely on suitability of submitted tissue specimens, which will be evaluated by the performing laboratory. Reporting limits are determined per analysis.
Test Details
New York Approved
Methodology
Mass Spectrometry (LC-MS/MS)
Biomarkers
Butalbital
AnalyteConcentration / Level
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Phenobarbital
AnalyteConcentration / Level
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
LOINC Codes
Result Codes
- 97300-8 - Phenobarb TissCo Ql Scn
- 97224-0 - Butalbital TissCo Ql Scn
Result Turnaround Time
3-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Tissue
Volume
Not provided
Minimum Volume
Not provided
Causes for Rejection
All specimens will be evaluated by the processing and performing laboratories for test suitability.
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 7 days |
| Frozen | 14 days |