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Test Code ZG314 Gentamicin Trough, Plasma or Serum

Additional Codes

Ordering Mnemonic
SHO55066

Methodology

Enzyme immunoassay

Performing Laboratory

Corewell Health Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Plasma

Container/Tube: Mint-top (lithium heparin) tube

Specimen Volume: 1 mL of plasma

Collection Instructions: Draw trough level immediately before next dose.

Note: 1. Indicate plasma and trough.

2. Label specimen appropriately (plasma and trough).

 

Serum

Container/Tube: Serum gel tube

Specimen Volume: 1 mL of serum

Collection Instructions: Draw trough level immediately before next dose.

Note: 1. Indicate serum and trough.

2. Label specimen appropriately (serum and trough).

Specimen Transport Temperature

Refrigerate

Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding

80170 (HH Bill Code 022405798)

Reference Values

Therapeutic concentration

Trough: 0-1.0 µg/mL

Toxic concentration (automatic call-back): ≥2.0 µg/mL