Home
HelpSirolimus, Whole Blood
Additional Codes
LAB875
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole Blood EDTASpecimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions:
1. Draw blood immediately before a scheduled dose.
2. Do not centrifuge.
3. Send whole blood specimen in original tube. Do not aliquot.
Additional Information: Therapeutic range applies to trough specimen collected immediately prior to a.m. dose.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Reference Values
4-20 ng/mL (Trough)
Target steady-state trough concentrations vary depending on the type of transplant, concomitant immunosuppression, clinical/institutional protocols, and time post-transplant. Results should be interpreted in conjunction with this clinical information and any physical signs/symptoms of rejection/toxicity.
Day(s) Performed
Monday through Sunday
CPT Code Information
80195
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| SIIRO | Sirolimus, B | 29247-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 35144 | Sirolimus, B | 29247-4 |
Report Available
Same day/1 to 3 daysSpecimen Retention Time
14 daysForms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Therapeutics Test Request (T831)