Ciprofloxacin Concentration in Serum
This test measures the amount of the antibiotic ciprofloxacin in your blood serum to check how your body is responding to treatment.
["This helps doctors determine if your dose needs adjustment for effectiveness or safety."]
Key facts at a glance
- LOINC
- 186-7
- Short code
- Ciprofloxacin Islt KB
- Synonyms
- Ciprofloxacin Islt KB
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- agar-diffusion
- 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 doctor may order this test if you’re taking ciprofloxacin (a fluoroquinolone antibiotic) to ensure it’s working properly. It’s especially important if you have kidney issues, are elderly, or have certain health conditions that might affect how your body processes the drug.
What to Expect Before the Test
No special preparation is needed. You’ll have a small needle inserted into your arm or vein to draw a blood sample. The process is quick and usually painless. If you’re nervous, let your healthcare provider know so they can offer comfort measures.
What the Results Mean
Results show the concentration of ciprofloxacin in your blood. Higher levels may indicate the drug isn’t being cleared efficiently, while lower levels might suggest it’s not providing enough protection against infection. Your doctor will compare these results to your treatment plan.
Possible Side Effects or Risks
Antibiotics like ciprofloxacin can cause side effects such as nausea, stomach pain, or dizziness. Rarely, they may affect your tendons, nerves, or cause long-term damage to your liver or kidneys. Always report any unusual symptoms to your doctor.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Cipro Level (Serum)
Frequently asked questions
How often should I get this test?
What if my results are outside the normal range?
Can I eat or drink anything before the 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