Skip to content

Cocaine concentration in urine (qualitative screening)

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

This test checks for the presence of cocaine or its metabolites in your urine, often used to detect recent drug use.

Quick summary

["A simple urine test to screen for cocaine use, important for monitoring substance exposure."]

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

Key facts at a glance

LOINC
48947-6
Short code
Cocaine Spec Ql Cfm
Synonyms
Cocaine Spec Ql Cfm
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
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 healthcare provider may order this test if you’ve been exposed to cocaine, if you’re undergoing treatment for substance use, or if you’re suspected of using drugs. It helps track recent use and supports treatment planning.

How the Test Works

The test uses a urine sample to detect cocaine metabolites (like benzoylecgonine) through a qualitative immunoassay. A positive result means cocaine or its breakdown products were likely present in your system within a few days.

What the Results Mean

A positive result indicates recent cocaine use, but it doesn’t confirm the exact amount or duration. Negative results mean no detectable metabolites were found in this sample.

Limitations and Considerations

This is a screening test, not a definitive one. False positives can occur with other drugs or certain medications. False negatives may happen if use was very recent or if the sample was improperly collected.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Urine Cocaine Screen (qualitative)

Frequently asked questions

Cocaine use can impact heart health, increase stress, and interfere with treatment plans. Results guide providers in adjusting care, such as monitoring withdrawal symptoms or recommending support programs.
This test is typically done as part of a broader evaluation. If positive, follow-up tests (like quantitative urine drug screens) may be needed for deeper analysis.
How long does it take to get results?
Results are usually available within 24 to 48 hours, depending on lab processing times. Your provider will discuss the findings with you.
Can I drink water before this test?
Yes, you can drink water as usual unless your provider specifies otherwise. Avoiding excessive fluids may be advised if your test involves a timed urine collection.
  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