Fluconazole Concentration in Serum (Pharmacokinetic)
This test measures the amount of the antifungal medication fluconazole in your blood serum to help determine how well your body is processing it.
["Understanding your fluconazole levels helps doctors adjust your dose for better treatment effectiveness and safety."]
Key facts at a glance
- LOINC
- 22368-5
- Short code
- FLUCV Ab Titr Ser
- Synonyms
- FLUCV Ab Titr Ser
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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 fluconazole (a medication used to treat fungal infections) and want to check how your body is handling the drug. It’s often done during treatment to ensure proper dosing, especially if you have kidney issues or take other medications that interact with fluconazole.
How the Test Works
A blood sample is taken from a vein in your arm. The sample is sent to a lab where fluconazole levels are measured using a sensitive chemical test (immunoassay). This helps track how much of the drug is present in your bloodstream at a given time.
What to Expect Before the Test
No special preparation is needed for this test. You may have a small bruise or slight discomfort at the injection site, but it usually goes away quickly. If you’re on blood thinners or have a history of bleeding disorders, let your doctor know before the test.
What the Results Mean
Results show the concentration of fluconazole in your blood. Low levels might mean the drug isn’t working as intended, while very high levels could indicate kidney problems or improper dosing. Your doctor will interpret the results in the context of your medical history and treatment plan.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Fluconazole levels help prevent dangerous drug levels that could cause side effects like kidney damage, liver issues, or drug interactions. Proper monitoring ensures the medication is effective against fungal infections while minimizing risks. This test is critical for patients with weakened immune systems, kidney disease, or those taking other medications that interact with fluconazole.
Short name
Fluconazole Level
Frequently asked questions
What causes fluconazole levels to be checked?
How often should fluconazole levels be tested?
Can fluconazole levels be affected by diet or other medications?
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