Ciprofloxacin (Mass Concentration) in Plasma
This test measures the amount of the antibiotic ciprofloxacin in your plasma. It helps doctors check how much of the drug is in your blood at a specific time, often used to monitor treatment effectiveness or adjust dosing.
["This test helps ensure your antibiotic levels are safe and effective."]
Key facts at a glance
- LOINC
- 25248-6
- Short code
- Ciprofloxacin Spec-mCnc
- Synonyms
- Ciprofloxacin Spec-mCnc
- Category
- chemistry
- 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 Is This Test Done?
Your healthcare provider may order this test if you’re taking ciprofloxacin to treat or prevent infections, such as urinary tract infections, respiratory infections, or certain types of bacterial infections. It may also be used to check if the drug is working properly or if your body is absorbing it well. Sometimes, it’s done to avoid side effects, like toxicity, by adjusting your dose.
What to Expect Before the Test
No special preparation is usually needed. You may be asked to fast before the test, but this isn’t always required. Bring any medications you’re taking to your appointment. The test involves drawing blood from a vein in your arm.
What Happens During the Test?
A healthcare professional will clean the area on your arm with an antiseptic, insert a small needle to collect blood, and then remove it. You may feel a slight pinch, but it’s usually over quickly. The blood sample is then sent to a lab for testing.
What Do the Results Mean?
Results are typically reported as a numerical value representing the concentration of ciprofloxacin in your plasma. While reference ranges can vary by lab, higher or lower than expected levels may indicate whether your dose needs adjustment. Your doctor will interpret the results in the context of your medical history and treatment plan.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Ciprofloxacin Level
Frequently asked questions
How long will it take to get my results?
What if my results are outside the normal range?
Can I eat or drink before the blood test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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