Cyclosporine in Serum (Mass Concentration)
This test measures the amount of cyclosporine, a medication used to prevent organ rejection or suppress the immune system, in your blood.
["Cyclosporine levels help doctors monitor your dose and ensure it’s working safely."]
Key facts at a glance
- LOINC
- 17807-9
- Short code
- cycloSPORINE Fld-mCnc
- Synonyms
- cycloSPORINE Fld-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 cyclosporine to manage conditions like organ transplants, autoimmune diseases, or severe allergies. It helps track whether your dose is appropriate and if your body is processing the medication correctly.
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 blood. It usually takes a few minutes, and you may feel a brief pinch. If you’re on cyclosporine, your provider may schedule this test regularly to check your levels.
What the Results Mean
Results show the concentration of cyclosporine in your blood. While reference ranges vary by lab and patient, low levels may mean your dose isn’t high enough, while high levels could indicate side effects or improper absorption. Your provider will interpret results in the context of your medical history and treatment plan.
Potential Side Effects or Considerations
Cyclosporine can cause side effects like kidney problems, high blood pressure, or increased risk of infections. Regular monitoring helps balance its benefits and risks. If you notice unusual symptoms (e.g., nausea, swelling, or vision changes), report them to your provider.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Cyclosporine Level
Frequently asked questions
When should I ask my doctor about this test result?
Can I eat or drink before this blood test?
How often will I need this 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