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HelpTest Code TAC Tacrolimus
Laboratory Code
LAB876
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.
Specimen Stability
| Specimen Type | Whole Blood |
|---|---|
| Ambient | Not available |
| Refrigerate | 7 days |
| Frozen | Not available |
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
4.0 – 20.0 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
31992
LOINC Code Information
74096-9
Alias
FK506
Update
Last updated 12/03/2025