Casandra
Casandra Test Code QD59313Version 1 (DRAFT)
Performing Lab
Cholinesterase, Serum
Also known as: Pseudocholinesterase
Clinical Use
Order TestUse
This test measures the activity of cholinesterase enzyme in serum to assess susceptibility to prolonged neuromuscular blockade (e.g., succinylcholine sensitivity) and to monitor exposure to insecticides or genetic deficiency.
Special Instructions
Not provided.
Limitations
Results may be depressed in patients who consume oral contraceptives. Hepatic disease may cause up to a 70% decrease in enzyme levels.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Targets not provided.
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Transport tube
Collection Instructions
Centrifuge and transfer serum specimens to clean, transport tube(s). Plasma is not acceptable.
Causes for Rejection
Gross hemolysis
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 21 days |
| Refrigerated | 21 days |
| Frozen | 30 days |