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(Gentamicin+Lincomycin+Neomycin+Streptomycin+Tobramycin) Ab.IgE

Published: August 9, 2026Updated: August 16, 2026

This test checks levels of certain antibiotics used to treat serious bacterial infections in your blood or serum/plasma.

Quick summary

Helps ensure safe dosing and monitor effectiveness against infections.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
95953-6
Short code
Aminoglycoside Mix IgE Qn
Synonyms
Aminoglycoside Mix IgE Qn
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you’re receiving aminoglycoside antibiotics (like gentamicin or tobramycin) to treat infections such as sepsis, kidney infections, or certain types of pneumonia. It helps prevent dangerous side effects, like kidney damage or hearing loss, by ensuring the right amount of medication is in your blood.

What to Expect Before the Test

No special preparation is needed. A blood sample is taken from a vein in your arm, similar to other blood tests. If you’re on this medication, your provider may check levels more often to adjust your dose.

How the Results Are Used

Results help your doctor balance the need for effective treatment with avoiding harm. Low levels may mean the infection isn’t fully treated, while very high levels could indicate toxicity.

Common Uses and Risks

This test is primarily used to guide antibiotic dosing and detect potential side effects. Risks include mild discomfort at the injection site or, rarely, allergic reactions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is critical for patients on aminoglycosides to prevent overuse (which can harm kidneys or nerves) or underuse (which may fail to treat infections). It’s especially important for patients with kidney issues or those receiving multiple medications.

Short name

Aminoglycoside Mix (Serum/Plasma)

Frequently asked questions

What does a high or low result mean?
High levels may signal toxicity (e.g., kidney damage, hearing loss) and require dose adjustments. Low levels may mean the infection isn’t fully controlled, prompting a higher dose or alternative treatment.
How often should I get this test?
Your provider will determine timing based on your medication schedule, infection type, and kidney function. Typically, it’s checked 30–60 minutes after dosing or as needed for monitoring.
Can I eat or drink before this test?
Yes, you can eat and drink normally unless instructed otherwise. This test doesn’t require fasting.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy