Leuprolide Acetate Concentration in Serum (Pharmacokinetic Measurement)
This test measures the amount of leuprolide, a hormone therapy medication, in your blood to check how your body is responding to treatment.
["This helps doctors monitor whether your medication levels are effective and adjust your dose if needed."]
Key facts at a glance
- LOINC
- 73314-7
- Short code
- Leuprolide ind plt IgM SerPl Ql FC
- Synonyms
- Leuprolide ind plt IgM SerPl Ql FC
- Category
- hematology
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- flow-cytometry
- CPT
- 82784
- 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 This Test Is Done
Your healthcare provider may order this test if you’re taking leuprolide—a hormone treatment—for conditions like prostate cancer, endometriosis, or other hormonal disorders. It helps ensure the medication is working as intended and avoids potential side effects from too much or too little in your system.
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 drawn from a vein, you might have a small bruise afterward.
What the Test Results Mean
Results show how much leuprolide is present in your blood at the time of testing. While reference ranges vary by lab, very low levels may indicate insufficient medication absorption, while very high levels could signal overdose or improper dosing. Your doctor will interpret these results in the context of your treatment plan.
Common Reasons for Testing
Doctors may test leuprolide levels to confirm the medication is working, check for side effects, or adjust your dose if symptoms aren’t improving. It’s also used to monitor long-term compliance and effectiveness.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Leuprolide levels help tailor hormone therapy. Low levels may mean your body isn’t absorbing the drug properly, prompting adjustments like dosage changes or alternative delivery methods. High levels could signal complications like bone loss or other side effects, prompting closer monitoring or treatment modifications.
Short name
Leuprolide Serum Level
Frequently asked questions
How often should I expect this test?
What does a low leuprolide level mean?
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