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Serum Salicylate Concentration (Mass Concentration)

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

This test measures the amount of salicylate, a medication derived from willow bark, found in your blood serum. Salicylate is commonly used to relieve pain, reduce fever, and treat inflammation.

Quick summary

["Salicylate levels help monitor your dose and prevent overdose."]

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

Key facts at a glance

LOINC
33636-2
Short code
SIgA Sal-aCnc
Synonyms
SIgA Sal-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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 Might Be Ordered

Your healthcare provider may order this test if you’re taking aspirin or other salicylate-containing medications (e.g., for arthritis, pain, or fever). It’s also checked if you’ve had an overdose or if symptoms like nausea, ringing in the ears, or confusion appear.

What to Expect Before the Test

No special preparation is needed. You may have a blood draw from a vein in your arm. If you’re on salicylate medications, your provider will likely adjust your dose based on the results.

What the Results Mean

Results are compared to a reference range specific to salicylate levels. High levels can indicate overdose, while low levels may mean your medication isn’t working as expected.

Common Causes of Abnormal Results

Too much salicylate can happen from accidental overdose, improper dosing, or liver/kidney issues that slow metabolism. Low levels may occur if you’re not taking enough medication or have poor absorption.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Salicylate toxicity can cause serious complications like kidney damage, bleeding disorders, or even coma at very high doses. Regular monitoring is critical for patients on long-term salicylate therapy to avoid these risks.

Short name

Salicylate Level

Frequently asked questions

What triggers a salicylate test?
A salicylate test is often ordered if you’re taking salicylate medications, have symptoms of overdose (e.g., dizziness, vomiting), or if your provider suspects poor medication adherence.
How soon will I get my results?
Results are typically available within 1–3 business days, depending on lab processing times. Your provider will discuss them with you during your follow-up visit.
Can I drink water before the test?
Yes, you can drink water as usual unless instructed otherwise by your provider. Avoid alcohol or caffeine before the test, as they may affect test results.
  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