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Antibiotic Drug Level: Sparfloxacin in Serum (Quantitative)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of the antibiotic sparfloxacin in your blood to check if it’s working properly and to avoid harmful side effects.

Quick summary

["This test helps ensure your antibiotic dose is safe and effective."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
23610-9
Short code
Sparfloxacin Islt SlowMyco
Synonyms
Sparfloxacin Islt SlowMyco
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
CPT
86430
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 sparfloxacin to treat infections like bacterial pneumonia, skin infections, or urinary tract infections. It helps monitor levels to prevent resistance or toxicity.

How the Test Works

A blood sample is taken from a vein in your arm. The lab uses a sensitive test to measure sparfloxacin concentration in your serum.

What to Expect Before the Test

No special preparation is needed, but inform your provider if you’re on other medications or have allergies to antibiotics.

What the Results Mean

Results help determine if your dose is therapeutic (effective) or too high. Your provider will discuss findings with you based on your condition and treatment plan.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Sparfloxacin Level

Frequently asked questions

What does sparfloxacin measure?
Sparfloxacin is a fluoroquinolone antibiotic used to treat bacterial infections. This test quantifies its presence in your bloodstream to guide dosing and assess safety.
How often is this test done?
Your provider may request this test during or after treatment, depending on your infection type and response. Follow-up tests could be scheduled weekly or monthly based on your care plan.
Can I drink water before the test?
Yes, you can drink water as usual unless instructed otherwise by your provider. Avoiding food or fluids for a set period is not required for this test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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