Serum Moxifloxacin Concentration (Pharmacokinetic Measurement)
This test measures the amount of the antibiotic moxifloxacin in your blood. It helps doctors assess how well your body is processing the medication, especially if you’re taking it for infections like pneumonia or skin/soft-tissue infections.
This test helps ensure your antibiotic dose is appropriate for your body’s needs.
Key facts at a glance
- LOINC
- 88707-5
- Short code
- Moxifloxacin Islt Slgr Mcbct AB 0.25
- Synonyms
- Moxifloxacin Islt Slgr Mcbct AB 0.25
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- method-for-slow-growing-mycobacteria-antibiotic-concentration-at-ug-ml
- 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 receiving moxifloxacin (an antibiotic) through an IV or oral medication. It’s particularly useful for patients with kidney issues, those who’ve had previous allergic reactions to fluoroquinolone antibiotics, or those needing long-term treatment. The test helps monitor drug levels to prevent side effects or ensure effectiveness.
What to Expect Before the Test
No special preparation is needed. You’ll likely have a simple blood draw from a vein in your arm. The process is quick and usually painless. If you’re on blood thinners or have a history of bleeding disorders, let your provider know before the test.
What the Results Mean
Results show how much moxifloxacin is in your blood at the time of testing. These levels help determine if your dose needs adjustment. Your doctor will discuss the results with you and may recommend follow-up testing if needed.
Possible Side Effects and Risks
While rare, moxifloxacin can cause side effects like nausea, dizziness, or allergic reactions. Severe but uncommon risks include tendon damage, nerve damage, or worsening of certain heart conditions. If you experience severe pain, swelling, or unusual symptoms after taking this medication, contact your doctor immediately.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Moxifloxacin Level
Frequently asked questions
How often should I get this test?
What if my results are outside the expected range?
Can I drink alcohol 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