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HelpTest Code CYCLOSP Cyclosporine, Blood
Additional Codes
| Supplemental Test Code |
|---|
| 1864 |
Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Specimen Requirements
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)-Separator gel tube is not acceptable.
Specimen Volume: Full tube
Collection Instructions:
Do not centrifuge.
1. Draw specimen for trough level immediately prior to next dose.
2. Due to diurnal variations in drug clearance, the same time of day for drawing should be maintained.
Additional Information:
1. Date and time of draw are required.
2. Indicate trough LAB6079 or random LAB874 on request form.
3. Label specimen appropriately (trough, random).
Note: DO NOT CENTRIFUGE SPECIMEN.
Specimen Transport Temperature
Ambient
Reference Values
Results are reported in ng/mL.
The therapeutic range for cyclosporine can vary by transplant organ type and sample timing but a trough range of 100 - 400 ng/mL is typical.
Day(s) Test Set Up
Monday through Sunday
Cut-off time: 2330, 0600, 0900, 1200, 1530
Turnaround Time:
STAT: not available
Routine: 3 hours after cut-off time
Test Classification and CPT Coding
80158
Additional Information
For BJH Laboratory Use Only
Alternate Tube:
none
Analyte Stability:
- Specimens must be processed within 7 days.
- Processed sample stability:
- Ambient - 7 days
- Refrigerated (2 - 8°C) - 7 days
- Frozen (≤ -20°C) - 2 weeks
Mix freshly collected, refrigerated, or thawed specimen thoroughly prior to use. Avoid repeated freezing and thawing.
- See Analyte Stability Chart under General Information for a complete list.
Laboratory Processing Instructions:
Test performed in BJH Core Lab. Log in and place in the pending specimen refrigerator. Do not centrifuge. Do not freeze. Completed specimen is stored refrigerated for 5 days.
LOINC Code Information
| Name | LOINC Code |
| Cyclosporine | 55805-6 |
| Cyclosporine Trough | 53828-0 |