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Epic Code LAB26 Gentamicin Trough Blood Level

Test Name Alias

Gentamicin Trough Blood Level | 7110

Interface Order Alias

55066

Collection Instructions

Specimen Collection: Blood

 

Container(s): 4.5 mL Mint Green Top (Lithium Heparin Gel) or 5.0 mL Gold Top (Serum Separator-SST Gel)

Acceptable containers: 6.0 mL Red Top (Plain) or 4.0 mL Green Top (Lithium Heparin, non-gel)

Preferred Volume to Collect: 4.5 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

 

Collection Instructions:

  • Inpatients: Please contact your local inpatient pharmacy for information regarding appropriate timing for blood drug level orders, if needed.
  • Indicate date and time of last dose.
  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Plasma or Serum

Centrifuge/Spin: Yes

Aliquot: Yes

 

Processing Instructions:

  • Plasma is preferred specimen type
  • Green Tube/Plasma: Centrifuge after collection.
  • Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.

Transport Temperature: Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 24 hours (48 hours if aliquoted serum/plasma)

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

Peak:  5.0 - 39.9 mcg/mL

Trough: <1.0 mcg/mL

Random: 1.0 to 40.0 mcg/mL

 

Laboratory Critical Values Table (link)

 

Performing Department

CHEMISTRY

Performing Department Laboratory Location

Spectrum Health Regional Laboratory, Grand Rapids, MI
Spectrum Health Ludington Laboratory, Ludington, MI
Spectrum Health Pennock Laboratory, Hastings, MI
Spectrum Health Zeeland Laboratory, Zeeland, MI

Methodology

Enzyme Immunoassay

CPT

80170-LAB-GENTAMICIN LEVEL

CDM Code

4058223

Epic Test ID

1230100390

LOINC

Gentamicin Lvl:  47109-4

Beaker LOINC

GENTAMICIN LEVEL: 35668-3
LIPEMIA INDEX, SERUM: N/A

Mayo Access Code

SHO55066

Reviewed Date

3/5/2020

Beaker Names

Beaker Procedure Name: GENTAMICIN TROUGH
Beaker Display Name: Gentamicin Trough Blood Level
BEAKER TEST NAME: GENTAMICIN, TROUGH
BEAKER TEST REPORT NAME: Gentamicin, Trough

Beaker Synonyms

No synonym on file

Beaker Location, Container and Temperature

BW CHEMISTRY: GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
BW CHEMISTRY: GOLD TOP SST TUBE R (Acceptable)-Refrigerated
GM CHEMISTRY: GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
GM CHEMISTRY: GOLD TOP SST TUBE R (Acceptable)-Refrigerated
LH CHEMISTRY: GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
LH CHEMISTRY: GOLD TOP SST TUBE R (Acceptable)-Refrigerated
PH CHEMISTRY: GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
PH CHEMISTRY: GOLD TOP SST TUBE R (Acceptable)-Refrigerated
ZH CHEMISTRY: GREEN LI HEPARIN PST TUBE R (Preferred)-Refrigerated
ZH CHEMISTRY: GOLD TOP SST TUBE R (Acceptable)-Refrigerated