Skip to content

Abfubinacaoxobutanoateurqlcfm

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

This test detects the presence of AB-FUBINACA, a synthetic cannabinoid metabolite, in your urine using a confirmatory method.

Quick summary

This test checks for synthetic cannabinoids (man-made marijuana-like drugs) in urine AB-FUBINACA is a potent synthetic cannabinoid that can cause serious health effects A confirmatory method provides highly accurate results Positive results may indicate recent use of illegal synthetic drugs Results are typically reported as 'Present' or 'Not Present'

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

Key facts at a glance

LOINC
87493-3
Short code
AB-FUBINACA
Synonyms
AB-FUBINACA oxobutanoate Ur Ql Cfm
Category
chemistry
Sample
urine
Container
Sterile urine container (60-120 mL capacity)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
confirm
CPT
80307
SNOMED
122461009
Specimen volume
10-20 mL
Stability
Room temperature: 7 days; Refrigerated (2-8°C): 30 days; Frozen (-20°C or below): 90 days
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
48–96 hours
Order
routine

This laboratory test measures specific substances in your body to help your healthcare provider learn more about your health. It can be used to diagnose a condition, monitor an ongoing illness, check how well a treatment is working, or screen for potential problems before symptoms ever appear.

This test detects AB-FUBINACA oxobutanoate in your urine. AB-FUBINACA is a synthetic cannabinoid—a man-made chemical that mimics the effects of marijuana. These substances are often sold as 'spice,' 'K2,' or 'synthetic marijuana' and are illegal in many places. The test uses a confirmatory method (typically mass spectrometry), which is more accurate than initial screening tests.

Your doctor may order this test if you have symptoms that need an explanation, if you have a medical condition that requires regular monitoring, or as part of a routine checkup. The results help guide decisions about your diagnosis, your treatment plan, and your overall care going forward.

Your healthcare provider may order this test to: monitor for drug use, verify results from an initial screening test, evaluate symptoms potentially related to synthetic cannabinoid use, or comply with legal or workplace requirements. Synthetic cannabinoids can cause serious health problems including severe anxiety, psychosis, seizures, and heart issues, so accurate detection is important for proper care.

Most laboratory tests use a small sample of blood drawn from a vein in your arm, although some tests use urine, saliva, or a swab from another part of the body. A trained professional collects the sample, which is then sent to a laboratory for analysis. The procedure is usually quick and causes only minor, temporary discomfort.

A urine sample is collected (typically in a clean container) and sent to a laboratory for analysis. The confirmatory method uses specialized equipment to identify the specific metabolite (AB-FUBINACA oxobutanoate) with high accuracy. No special preparation is needed, but you should inform your provider about any medications or supplements you are taking.

Your results will show whether your values fall within the normal reference range for this test. Reference ranges can vary slightly between laboratories, so your provider will interpret your numbers together with your symptoms, medical history, and other findings. A value outside the expected range does not always mean something is wrong, but your doctor may recommend follow-up testing or a conversation about the next steps.

Results are typically reported as 'Present' (detected) or 'Not Present' (not detected). A 'Present' result indicates recent use of AB-FUBINACA or related synthetic cannabinoids. A 'Not Present' result means no AB-FUBINACA metabolite was detected in your urine sample. Your healthcare provider will interpret these results in the context of your medical history and symptoms.

Reference range

Not DetectedN/A

Specimen: urine

No special preparation required. Collect urine in a sterile container. Avoid contamination with toilet paper or fecal material. Inform the laboratory of any prescribed or over-the-counter medications.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Synthetic cannabinoids like AB-FUBINACA are significantly more potent than natural marijuana and can cause severe adverse effects including intense anxiety, paranoia, hallucinations, seizures, rapid heart rate, vomiting, and kidney injury. This confirmatory test is clinically significant because it accurately identifies exposure to these dangerous substances, helping healthcare providers diagnose poisoning, guide treatment, and monitor patients in substance abuse programs. Positive results may also be important for legal or occupational health assessments.

Frequently asked questions

How long does AB-FUBINACA stay in my urine?
Synthetic cannabinoids can typically be detected in urine for 2-7 days after use, depending on factors like dose, frequency of use, metabolism, and kidney function. Chronic use may result in longer detection windows.
Will a positive result show up on a standard marijuana test?
No. Standard marijuana tests detect THC (the active ingredient in natural marijuana). AB-FUBINACA and other synthetic cannabinoids are chemically different and require this specific test to be detected. This is why confirmatory testing is important when synthetic cannabinoid use is suspected.
Can secondhand exposure cause a positive result?
It is unlikely but theoretically possible in extreme, enclosed environments with heavy use. However, the confirmatory method used in this test is highly specific and can usually distinguish between actual use and passive exposure.
What should I do if my result is positive?
Discuss your results with your healthcare provider. They will provide appropriate guidance, which may include counseling, treatment referrals, or additional medical evaluation. If you are using these substances, consider seeking help from a substance abuse treatment professional.
Are there any medications that might cause a false positive?
The confirmatory method used for this test is highly specific and unlikely to produce false positives from other medications. However, always inform your healthcare provider about all medications, supplements, and substances you have taken.
  1. 1
  2. 2
  3. 3

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