A
5200 Harry Hines Blvd.
,
Dallas
,
TX
75235
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General Information
Performed: 24/7
Turn Around Time: Med Emerg: 2 hours; Routine: 4hrs
CPT Codes: 80170
Performed By: Chemistry
Notes:
Extended Interval Dosing:
General: 18.0 - 20.0 mcg/mL
Cystitis: 6.0 - 8.0 mcg/mL
Traditional Dosing:
5.0 - 10.0 mcg/mL
Gram-Positive Synergy Dosing:
3.0 - 5.0 mcg/mL
Clinical Utility: Gentamicin Peak levels are a surrogate marker for clinical efficacy. Aminoglycosides exhibit concentration based activity and dosing is best optimized by achieving a Peak:MIC ratio of 10:1.
Components
Name |
Method |
Sex |
Age Range |
Ref. Range Low |
Ref. Range High |
Units |
Gentamicin Peak |
Particle-enhanced turbidimetric inhibition immunoassay |
All |
All |
18.0 mcg/mL (Extended Interval Dosing); 5.0 mcg/mL (Traditional Dosing); 3.0 mcg/mL (Gram-positive Synergy Dosing) |
20.0 mcg/mL (Extended Interval Dosing); 10.0 mcg/mL (Traditional Dosing); 5.0 mcg/mL (Gram-positive Synergy Dosing) |
mcg/mL |
Specimen Requirements
Type |
Container |
Volume |
Units |
Collection / Delivery |
Storage / Transport |
Off Campus |
Blood |
Red no Gel, 6mL |
Fill tube |
|
Collect one hour after dose. Collect anytime for suspected toxicity. Deliver to Logistics Lab. |
Room Temperature |
Serum should be separated from cells within 2hrs of collection. Deliver refrigerated serum aliquot to Logistics lab. |