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Cocaine Saliva Concentration (Screen)

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

This test measures the presence of cocaine in your saliva to help determine if you’ve recently used the drug.

Quick summary

["A positive result may indicate recent cocaine use, but it doesn’t confirm abuse or dependence alone."]

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

Key facts at a glance

LOINC
40802-1
Short code
Cocaine Sal Ql Scn
Synonyms
Cocaine Sal Ql Scn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
screen
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’ve been exposed to cocaine, suspected of using it, or experiencing symptoms linked to its effects (e.g., anxiety, rapid heartbeat). Saliva testing is often used for recent use detection, typically within hours to days after ingestion.

What to Expect During the Test

No special preparation is needed. A healthcare professional will collect a saliva sample using a cotton swab or similar device. The test is quick and painless.

How the Results Are Interpreted

Results are qualitative (positive or negative) rather than quantitative. A positive result suggests recent cocaine exposure, but it doesn’t indicate the exact amount or duration of use. Follow-up testing or clinical evaluation may be needed for further assessment.

What the Results Mean

A positive result may prompt additional questions about recent drug use or behaviors. It’s important to discuss your results with your provider, as they can help determine next steps, such as counseling, monitoring, or other support services.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Cocaine in Saliva (Screen)

Frequently asked questions

How long does it take to get results?
Results are typically available within a few hours to a couple of days, depending on the lab’s processing time.
Can I use drugs or alcohol before the test?
No, avoid using drugs or consuming alcohol for at least 24 hours before the test, as they may interfere with accuracy.
Does this test detect other drugs besides cocaine?
No, this test specifically screens for cocaine metabolites in saliva. Other drug tests may be needed for a comprehensive assessment.
  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