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JWH-210 Carboxypentyl/Creatinine [Mass Ratio] in Urine

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

Urine testing for a JWH-210 synthetic cannabinoid metabolite, reported relative to creatinine to account for urine concentration.

Quick summary

["A detectable result can indicate recent exposure to the synthetic cannabinoid JWH-210, but it does not determine impairment or dose."]

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

Key facts at a glance

LOINC
72805-5
Short code
JWH-210 carboxypentyl/Creat Ur
Synonyms
JWH-210 carboxypentyl/Creat Ur
Category
kidney
Sample
urine
Container
Sterile urine container
Units
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

What is this test?

This urine test looks for carboxypentyl, a metabolite formed after exposure to JWH-210, a synthetic cannabinoid sometimes called a designer cannabinoid. The result is compared with urine creatinine to help account for differences in urine concentration.

Why might I need this test?

This test may be ordered to evaluate suspected use or exposure to synthetic cannabinoids. It may also be used in workplace, legal, or other drug-testing situations where relevant.

How is the test performed?

A urine sample is analyzed to detect the JWH-210 metabolite and measure creatinine. The laboratory then reports the metabolite-to-creatinine ratio, which can provide context when urine is more or less concentrated than usual.

How do I prepare for the test?

Collect the urine sample exactly as instructed by the laboratory or testing site. Fasting is generally not required unless the ordering provider gives specific instructions, and you should tell the clinician about any supplements, medications, or other substances that could affect interpretation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

A detectable result can indicate recent exposure to JWH-210, whether intentional or through another person’s smoke or vapor. It does not establish the amount used, the time of exposure, or whether the person was impaired. A negative result cannot completely exclude exposure if testing occurred outside the metabolite’s detection window.

Short name

JWH-210 carboxypentyl, urine

Frequently asked questions

Does a positive result mean someone was impaired?
No. The test detects a metabolite and cannot by itself determine intoxication, impairment, dose, or the exact time of exposure.
What does the creatinine ratio mean?
Creatinine helps show how concentrated the urine sample is. Comparing the metabolite with creatinine helps reduce the effect of variations in urine concentration.
Can this test show when JWH-210 was used?
Not precisely. A positive result supports recent exposure, but the exact timing depends on the amount used, the person’s metabolism, and other factors.
  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