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: 2-(Carboxypentyl)urine Qualitative Liquid Chromatography-Mass Spectrometry

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

: This test checks a urine sample for the presence of 2-(carboxypentyl) compounds using a specialized laboratory method called liquid chromatography with mass spectrometry.

Quick summary

[": Your urine is screened for a specific compound using an advanced lab technique that separates and identifies chemicals."]

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

Key facts at a glance

LOINC
72467-4
Short code
JWH-250 5-carboxypentyl Ur Ql Cfm
Synonyms
JWH-250 5-carboxypentyl Ur Ql Cfm
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
confirm
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 This Test Measures

: The test looks for a compound called 2-(carboxypentyl) in your urine. This is a chemical marker that a healthcare provider may order when investigating certain exposures or metabolic conditions. The result is reported as present or not present (qualitative).

: How the Sample Is Collected

: You will provide a urine sample, usually in a standard collection cup at a lab or clinic. No special preparation is typically needed unless your care team instructs otherwise. Follow any directions given to you about timing or hydration.

: How the Testing Works

: The laboratory uses liquid chromatography to separate substances in the urine and mass spectrometry to identify the specific compound by its molecular signature. This combination is highly sensitive and specific for detecting small amounts of the target chemical.

: What Your Results Mean

: A "detected" result means the compound was found in your urine; "not detected" means it was not found above the test's detection limit. Results are interpreted alongside your symptoms, history, and other tests, so discuss them with your healthcare provider rather than reading them alone.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

: This qualitative urine test can help clinicians assess possible exposure to or presence of 2-(carboxypentyl)-related compounds. Because detection does not by itself indicate harm or a diagnosis, results should be interpreted by a qualified healthcare provider in the context of your overall health and any known exposures.

Short name

: NONE

Frequently asked questions

: Does this test require fasting or special preparation?
: Usually no special preparation is required for a urine test of this kind. However, always follow the specific instructions from your ordering provider or the laboratory.
: Can a "detected" result mean I have a disease?
: Not necessarily. Detection only shows the compound was present in your sample. A healthcare provider must interpret it together with your symptoms, history, and other test results.
: Is this test the same as a routine urinalysis?
: No. A routine urinalysis checks general urine properties like pH and protein, while this test uses specialized chromatography and mass spectrometry to look for one specific compound.
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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