Cyclosporine Blood Mass Concentration
This test measures the amount of cyclosporine, a medication used to prevent organ rejection after a transplant or to suppress immune responses in certain conditions, in your blood.
["Your cyclosporine level helps doctors monitor how well your body is responding to this medication."]
Key facts at a glance
- LOINC
- 3520-4
- Short code
- cycloSPORINE Bld-mCnc
- Synonyms
- cycloSPORINE Bld-mCnc
- Category
- chemistry
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Specimen volume
- 3 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Doctors order cyclosporine blood tests to ensure you’re taking the right dose of this medication. It’s especially important if you’ve had an organ transplant or if you have a condition like rheumatoid arthritis or psoriasis that requires immune system control. Regular testing helps prevent side effects, such as high blood pressure, kidney problems, or infections, while ensuring the medication works effectively.
How the Test Works
A small blood sample is taken from a vein in your arm. The sample is then analyzed in a lab using a technique called immunoassay to measure the exact amount of cyclosporine in your blood.
What to Expect Before the Test
There are no special preparations needed for this test. You may have some mild discomfort or bruising at the injection site, but this usually goes away quickly. If you’re on other medications or have health conditions, let your doctor know before the test.
What the Results Mean
Your results will show the concentration of cyclosporine in your blood. Your doctor will compare these results to your treatment plan to adjust your dose if needed. Low levels may mean your medication isn’t working well, while high levels could indicate side effects or improper dosing.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Cyclosporine Level
Frequently asked questions
How often should I get this test?
What happens if my cyclosporine level is too high?
Can I eat or drink before 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