Cyclosporine Blood Mass Concentration
This test measures the amount of cyclosporine, a medication used to prevent organ rejection or suppress immune responses, in your blood.
["Cyclosporine levels help ensure your dose is optimized for safety and effectiveness."]
Key facts at a glance
- LOINC
- 14978-1
- Short code
- cycloSPORINE Bld IA-mCnc
- Synonyms
- cycloSPORINE Bld IA-mCnc
- Category
- chemistry
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ia
- 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 Matters
Cyclosporine is prescribed for conditions like organ transplants, autoimmune diseases, or severe allergies. Your doctor may order this test to monitor your medication levels, especially if you take it long-term or have certain health conditions. Keeping levels within a target range helps prevent side effects (like kidney problems) while ensuring your body stays protected.
How the Test Works
A small blood sample is taken from your arm. The lab uses a specialized method (likely immunoassay) to detect and measure cyclosporine in your blood plasma or serum. Results are reported as a mass concentration, meaning the amount of medication per unit of blood.
What to Expect Before the Test
No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the test if instructed by your doctor. Wear a comfortable shirt for easy access to your arm. If you’re on cyclosporine, your doctor may adjust your dose based on this result.
What to Expect After the Test
You may feel slight discomfort or bruising at the injection site, but this should fade quickly. Apply gentle pressure to the area to help reduce swelling. Avoid heavy lifting or strenuous activity for a few hours. Most people return to normal activities immediately.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
High cyclosporine levels may cause kidney damage, high blood pressure, or infections, while low levels could mean your immune system isn’t being adequately suppressed. Your doctor will use these results to adjust your medication, especially if you’re taking other drugs that interact with cyclosporine (like grapefruit products). Regular monitoring is critical for long-term use.
Short name
Cyclosporine Level
Frequently asked questions
How often will I need this test?
What if my results are outside the normal range?
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