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HelpTest Code CCSC4 Cyclosporin, C4
Laboratory Code
LAB3040828
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: Purple Top (EDTA)
Volume: 3.0 mL
Minimum Volume: 3.0 mL
Collection Instructions: Mix sample well to avoid clotting. Collect sample within an hour before the next dose, except patients on continuous infusion.
Specimen Stability
| Specimen Type | Whole Blood |
|---|---|
| Ambient | Not available |
| Refrigerate | 7 days |
Methodology
Chemiluminescent Immunoassay
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others: Non-EDTA, clotted specimen | Reject |
Reference Interval
Whole blood levels
| Kidney < 6 mths | 250 – 375 ug/L |
|---|---|
| Kidney > 6 mths | 100 – 200 ug/L |
| Liver < 1 mth | 300 – 450 ug/L |
| Liver 2 – 6 mths | 250 – 350 ug/L |
| Liver > 6 mths | 150 – 250 ug/L |
| Bone Marrow | 150 – 250 ug/L |
| Cardiac < 6 wks | 300 – 420 ug/L |
| Cardiac 6 – 12 wks | 180 – 300 ug/L |
| Cardiac > 12 wks | 120 – 180 ug/L |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Monitoring anti rejection therapy.
Dose adjustment to optimize immunosuppression while minimizing toxicity.
Service Code
31820
LOINC Code Information
77168-3
Update
Last updated 11/03/2025