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HelpGentamicin (Random, Trough, Peak)
Additional Codes
Epic# -
PEAK - LAB28
RANDOM - LAB27
TROUGH - LAB26
Cerner name(s):
- Gentamicin level peak
- Gentamicin Pk
- Gentamicin level random
- Gentamicin Rnd
- Gentamicin level tough
- Gentamicin Tr
Performing Lab(s)
Memorial-Belleville only
Specimen Requirement (s)
Specimen Type: Plasma
Container/Tube: mint green LiHep Tube (preffered)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL plasma
Collection Instructions:
- Random - Specimen may be drawn at any time.
- Trough - Collection time should be within 30 minutes before the next dose.
- Peak - Collection time should be 30 minutes following IV dose or 60 minutes following IM injection.
Unacceptable Conditions
Avoid hemolysis.
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Analyte Stability:
Ambient: 8 hours
Refrigerated: 8 hours
Frozen: 2 weeks
Reference Values
Random
|
Age |
Reference Values |
Critical Low |
Critical High |
|
NA |
None |
None |
None |
Trough
|
Age |
Reference Values |
Critical Low |
Critical High |
|
0 – 18 years |
0 – 0.9 mcg/mL |
None |
≥ 2.1 mcg/mL |
|
>18 years |
0 – 2 mcg/mL |
None |
≥ 2.1 mcg/mL |
Peak
|
Age |
Reference Values |
Critical Low |
Critical High |
|
0 – 18 years |
8 - 12 mcg/mL |
None |
None |
|
>18 years |
3 - 10 mcg/mL |
None |
None |
CPT/LOINC Codes
80170
Interpretive Data
Interpretive Data - Random
No reference ranges have been established for random drug levels.
Current Interpretive Data was last revised on 06/05/2021.
Interpretive Data - Peak
Greater than or equal to 18yrs:
Therapeutic Range:
UTI/GPC synergy: 3-5 mcg/mL
Systemic illness: 6-8 mcg/mL
Sepsis: 8-10 mcg/mL
GPC synergy refers to the synergistic effect of aminoglycosides with other antibiotics in treating infections caused by gram positive cocci (e.g. Enterococcus).
Current Interpretive Data was last revised on 06/05/2021.
Interpretive Data - Trough
Greater than or equal to 18yrs:
Therapeutic Range:
UTI/GPC synergy: 0-1 mcg/mL
Systemic illness: 0-1 mcg/mL
Sepsis: 0-2 mcg/mL
GPC synergy refers to the synergistic effect of aminoglycosides with other antibiotics in treating
infections caused by gram positive cocci (e.g. Enterococcus).
Current Interpretive Data was last revised on 06/05/2021.