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Ordering Info & Methodology

Test Code

Cerner Synonyms


SIrolimus Level Transplant, Sirolimus, Rapamycin, Rapamune, TDM, Immunosuppressant, Immunosuppresion

Turn Around Time


Ordering Guide

Enter time (SROTLD) and date (SRODLD) of last dose.

Specimen Requirements

Sample Type

Collection Container

Alternate Collection Containers


Add on stability
This is the length of time after sample collection that this analyte is stable. Test can be added to a previously collected sample if the time since collection is less than the add on stability time.

Minimum Volume

Add On Stability

Collection and Shipping Requirements

Store in fridge, send on ice pack.

Reference Intervals

Female Reference Interval

Age Category
Reference Interval

Male Reference Interval

Age Category
Reference Interval
Additional Notes

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Measurement Uncertainty (MU)
Every laboratory value is an estimate of the true concentration of substance. MU is the 95% confidence interval around that estimate. 95% of the time, the true concentration will be within the range of the reported value ±MU. This value is based on analytical variability (precision) and does not reflect other factors such as sample collection and handling which may also affect the result.


Reported sodium = 140 mmol/L
Sodium MU = 1%
Expanded uncertainty = 140 mmol/L ± 1% or 140mmol/L ± 1.4 mmol/L
Interpretation - the true value of sodium in the sample is in the range 138.6-141.4 mmol/L, with 95% confidence.

Measurement Uncertainty

For inpatients requiring results over the weekend, call the laboratory to inform of planned weekend testing.

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