Serum Concentration of Celecoxib (Pharmacokinetic Measurement)
This test measures the amount of the pain reliever celecoxib in your blood. It helps doctors check how your body is processing the medication.
["This test helps monitor drug levels to ensure safe and effective treatment."]
Key facts at a glance
- LOINC
- 73039-0
- Short code
- CELNAB
- Synonyms
- Celecoxib (neut) IgM SerPl Ql FC
- Category
- chemistry
- Sample
- serum
- Container
- Red-top serum separator tube (SST) or plain red-top tube; alternatively sodium heparin or EDTA plasma tube for flow cytometry applications
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 18 years
- Method
- flow-cytometry
- CPT
- 86022
- SNOMED
- 44050007
- Specimen volume
- 2-5 mL of whole blood yielding at least 1-2 mL of serum/plasma
- Stability
- Serum/plasma stable for 24 hours at room temperature (20-25°C), up to 7 days at 2-8°C, and up to 1 month frozen at -20°C or below. Avoid repeated freeze-thaw cycles.
- Hemolysis max
- 100
- Lipemia max
- 100
- Icterus max
- 50
- TAT
- 24–72 hours
- Order
- routine
Why Is This Test Done?
Your healthcare provider may order this test if you’re taking celecoxib (Celebrex) for chronic pain, arthritis, or other conditions. It helps assess whether your dose is working properly or if adjustments are needed to avoid side effects.
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. The process usually takes a few minutes.
What the Results Mean
Results show how much celecoxib is in your blood at the time of testing. Lower-than-expected levels may mean your dose isn’t working well, while very high levels could signal potential side effects.
Common Reasons for Testing
Doctors may order this test if you’re on celecoxib long-term, have kidney or liver issues, or if you’re experiencing unusual side effects like stomach pain or dizziness.
Reference range
Negative (no detectable celecoxib-induced neutrophil IgM antibodies detected)N/A
No fasting required. Patient should be informed of the test purpose. Recent celecoxib exposure should be documented as it is relevant to result interpretation. Avoid collection during acute hemolysis or transfusion.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test helps ensure celecoxib is at an optimal therapeutic level, balancing effectiveness with safety. Abnormal results may prompt dose changes or alternative treatments.
Short name
Celecoxib Level
Frequently asked questions
Why might my doctor want to check my celecoxib level?
What are typical celecoxib blood levels?
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 15, 2026. · Read our editorial policy