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Salicylate, Serum (Mass Concentration)

Published: August 9, 2026Updated: August 17, 2026

This test measures the amount of salicate (salicylic acid) in your blood serum. Salicates are found in over-the-counter pain relievers like aspirin.

Quick summary

["Knowing your salicylate levels helps doctors monitor your response to medications or exposure to salicates."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
46978-3
Short code
Salicylates SerPl Cfm-mCnc
Synonyms
Salicylates SerPl Cfm-mCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Critical range
— – 50 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
confirm
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 doctor may order this test if you’ve taken salicylate-containing medications (e.g., aspirin) for a long time, have symptoms like nausea, ringing in the ears, or confusion, or if you’re being treated for conditions like rheumatoid arthritis or gout.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from a vein in your arm. Tell your doctor about any medications you’re taking, especially salicates or blood thinners, as they may affect results.

What the Results Mean

High levels of salicylate can indicate overdose or prolonged use of salicates. Very low levels may suggest poor absorption or medical conditions affecting metabolism. Your doctor will interpret results in the context of your symptoms and medical history.

Common Causes of Abnormal Results

Elevated salicylate levels can result from excessive aspirin or other salicate intake, kidney issues, or certain metabolic disorders. Low levels may occur if your body processes salicates too quickly or if you have liver/kidney problems.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Salicylate toxicity is a medical emergency, especially in children, who are more sensitive to its effects. Symptoms include tinnitus (ringing in ears), headache, vomiting, and in severe cases, seizures or coma. Regular monitoring helps prevent overdose and manage long-term use.

Short name

Salicylate Level

Frequently asked questions

Will this test affect my medications?
Yes, salicylate levels can be affected by other medications, especially blood thinners (e.g., warfarin) or diuretics. Always inform your doctor about all medications, supplements, or herbal products you take.
How soon will I get my results?
Results are typically available within 1–3 business days, depending on your lab. Your doctor will discuss them with you during your follow-up visit.
Can I drink water before this test?
Yes, you can drink water, but avoid caffeine or alcohol before the blood draw, as they may influence salicylate metabolism.
  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 17, 2026. · Read our editorial policy