Serum Salicylate Concentration (Mass Concentration)
This test measures the amount of salicate (salicylic acid) in your blood serum. Salicates are found in over-the-counter pain relievers like aspirin and are used to treat conditions like arthritis, fever, and headaches.
["Salicylate levels help doctors monitor your response to medication and prevent dangerous overdoses."]
Key facts at a glance
- LOINC
- 4025-3
- Short code
- Salicylates Ur Ql
- Synonyms
- Salicylates Ur Ql
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine container
- Units
- N/A
- Critical range
- — – 50 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Specimen volume
- 10 mL
- Stability
- Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Your healthcare provider may order this test if you’ve been prescribed salicates (like aspirin) for a long time, if you have kidney or liver problems, or if you’re experiencing symptoms that could be linked to salicate toxicity, such as nausea, vomiting, ringing in the ears, or confusion.
What to Expect Before the Test
No special preparation is needed. You may have a small needle inserted into your arm to draw blood. If you’re taking salicates regularly, your provider may want to check levels at specific intervals to ensure safe dosing.
What the Test Results Mean
Results are compared to a general reference range for salicylate levels in blood. High levels may indicate overdose or improper dosing, while very low levels could suggest poor absorption or medication non-compliance.
Possible Side Effects or Risks
Blood tests are generally safe, but rare complications include bruising, mild pain at the injection site, or a reaction to the needle. Salicylate toxicity can cause serious health risks if levels are too high.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance
Short name
Salicylate Level
Frequently asked questions
What does a high salicylate level mean?
What does a low salicylate level mean?
How often should I get 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 17, 2026. · Read our editorial policy