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Kanamycin Concentration in Plasma

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

This test measures the amount of kanamycin, an antibiotic, in your blood plasma. It helps doctors check how your body is responding to this medication.

Quick summary

["Kanamycin levels help ensure safe and effective antibiotic treatment."]

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

Key facts at a glance

LOINC
25214-8
Short code
Kanamycin Islt Slgr Mcbct AB 30.0
Synonyms
Kanamycin Islt Slgr Mcbct AB 30.0
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
method-for-slow-growing-mycobacteria-antibiotic-concentration-at-ug-ml
CPT
86038
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 taking kanamycin to treat serious infections, such as those caused by bacteria like *Pseudomonas* or *Staphylococcus*. It helps monitor your drug levels to prevent side effects or resistance while ensuring the infection is properly treated.

What to Expect Before the Test

No special preparation is needed. Blood is drawn from a vein, usually in your arm, by a trained phlebotomist. You may feel a brief pinch, but it’s over quickly. If you’re on other medications, let your provider know to avoid any potential interactions.

What the Results Mean

Results are used to guide dosing adjustments. Low levels may mean the antibiotic isn’t working well, while dangerously high levels could indicate toxicity. Your provider will interpret the results in the context of your medical history and treatment plan.

Possible Side Effects or Risks

Kanamycin can cause side effects like nausea, vomiting, or hearing loss (especially in high doses). Rarely, it may affect kidney function. If you experience severe symptoms like dizziness, ringing in the ears, or signs of infection worsening, contact your provider immediately.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Kanamycin Level

Frequently asked questions

What causes kanamycin levels to be checked?
Kanamycin levels are checked primarily to ensure the antibiotic is working effectively and to prevent toxicity. This is especially important for patients with kidney problems, those receiving high doses, or those on long-term therapy.
How often should kanamycin levels be tested?
The frequency depends on your treatment plan. Your healthcare provider will determine how often to test based on factors like dose, duration of treatment, and kidney function. Typically, tests may be done at regular intervals (e.g., every few days) during active treatment.
Can kanamycin levels be affected by other medications?
Yes, certain medications—such as aminoglycosides (like gentamicin) or other nephrotoxic drugs—can interact with kanamycin, potentially altering its levels or increasing side effects. Always inform your provider about all medications you’re taking.
  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