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Gentamicin Trough

Ordering Info & Methodology

Test Code

Cerner Synonyms

GENPR

Gentamicin - Trough, Gentamycin pre, TDM

Turn Around Time

Methodology

Ordering Guide

Specimen Requirements

Sample Type

Collection Container

Alternate Collection Containers

Heparin Plasma or Serum

Light Green

Gold

1.0 mL

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

Obtain last dose time. Send aliquot on ice pack. Microsample should be in conical aliquot tube not adaptor cups.

Reference Intervals

Female Reference Interval

Age Category
Reference Interval
units

Male Reference Interval

Age Category
Reference Interval
units
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.

Example

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

STAT orders and Babies: send STAT (via taxi if off-hours).

Routine orders Friday-Sunday (all shifts): send within 2 hours of collection. Routine orders Monday-Thursday (15:00-07:00): aliquot and freeze. To be sent in AM.

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