Cyclosporine concentration in whole blood
This test measures the amount of cyclosporine, a medication used to prevent organ rejection after transplant or to suppress immune responses in certain conditions, in your blood.
["This helps doctors monitor your dose to balance effectiveness and side effects."]
Key facts at a glance
- LOINC
- 32997-9
- Short code
- cycloSPORINE 2h p Bld-mCnc
- Synonyms
- cycloSPORINE 2h p Bld-mCnc
- Category
- chemistry
- Sample
- whole-blood
- Container
- Lavender-top (EDTA)
- Units
- N/A
- Ref low
- 20
- Ref high
- 400
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82670
- 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 Is This Test Done?
Your healthcare provider may order this test if you’re taking cyclosporine to ensure your dose stays within safe levels. It helps prevent your body from rejecting a transplanted organ or managing immune-related conditions like rheumatoid arthritis or psoriasis.
What to Expect Before the Test
No special preparation is needed. A healthcare professional will draw blood from a vein in your arm. The process takes about 5 minutes, and you may feel a slight pinch or discomfort.
What the Results Mean
Results help your doctor determine if your cyclosporine level is too high or too low. High levels may cause side effects like kidney problems or increased infection risk, while low levels might mean the medication isn’t working as intended.
Common Side Effects of Cyclosporine
Cyclosporine can cause side effects like kidney issues, high blood pressure, or increased risk of infections. Your doctor will adjust your dose based on these test results to minimize risks.
Reference range
Premenopausal: 20-400 pg/mL; Postmenopausal: <30 pg/mLN/A
No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Cyclosporine blood levels are critical for transplant patients and those with immune-suppressing conditions. Too much can harm organs or weaken immunity, while too little may reduce the medication’s effectiveness. Regular monitoring ensures safety and treatment success.
Short name
Cyclosporine Blood Level
Frequently asked questions
Why do I need this test regularly?
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