Mycophenolic Acid Concentration (Serum/Plasma)

Why This Test Matters for Your Treatment

Mycophenolic acid is an active ingredient in medications like CellCept® or Myfortic®, which work by reducing your immune system’s activity. Your doctor may order this test to ensure you’re receiving the right amount of the drug to avoid side effects or prevent your body from rejecting a transplanted organ.

What to Expect Before the Test

No special preparation is needed for this test. You’ll have a small needle inserted into your arm or vein to draw a blood sample. It usually takes a few minutes, and you can resume normal activities afterward.

What the Results Mean

Results help your healthcare provider check if your medication levels are within the target range for your condition. If levels are too low, you may need a higher dose. If they’re too high, your doctor might adjust your medication or monitor you more closely for side effects.

Common Reasons for Testing

Doctors may order this test to: track how well your medication is working, check for side effects like infections or organ damage, or adjust your dose if you’re taking other medications that could affect mycophenolic acid levels.