Does Ketamine Show Up on a Drug Test?

Does ketamine show up on a drug test? It's a growing concern for patients, partygoers, and job applicants alike. Once used almost exclusively in surgical and veterinary settings, ketamine is now being studied for mental health applications and is occasionally used recreationally—raising questions about how and when it’s detected.

Whether you're preparing for a pre-employment screening, a medical procedure, or are simply curious about how long ketamine stays in your system, this guide breaks down what ketamine shows up as on a drug test, how long it can be detected, and what types of tests are most likely to flag it.

What does ketamine show up as on a drug test?

Ketamine does not belong to the typical drug categories like opioids or amphetamines, but that doesn’t mean it goes undetected. Instead, it shows up as ketamine itself or under the general class of dissociative anesthetics if the lab uses advanced or expanded panels.

Standard 5-panel drug tests do not typically screen for ketamine. However, 10-panel or 12-panel drug tests may detect it, especially when customized or ordered by law enforcement, rehab programs, or certain employers. If you’re wondering what does ketamine show up as on a drug test, the answer depends entirely on the sophistication of the test and whether ketamine is included in the panel.

Does ketamine show up on a 5, 10, or 12-panel drug test?

5-panel drug tests, commonly used in the workplace, usually screen for THC, cocaine, opiates, PCP, and amphetamines—none of which will detect ketamine.

10-panel and 12-panel drug tests may include ketamine if the panel has been expanded to test for dissociatives or club drugs. These advanced panels often target substances like MDMA, methadone, and ketamine. So, does ketamine show up on a 10-panel drug test? Possibly—but only if ketamine is one of the specific substances being tested for.

Likewise, does ketamine show up on a 12-panel drug test? The answer is yes, but only when the 12-panel test includes ketamine in its detection list. These are not standardized across all labs, so it's best to confirm with the testing provider.

Does ketamine show up on a urine, blood, saliva, or hair drug test?

Ketamine can be detected through various test types, each with different detection windows:

• Urine test: Ketamine is typically detectable for 2 to 5 days after use—making this the most common test type used.
• Blood test: Detection is shorter—usually within 24 hours of ingestion.
• Saliva test: Not commonly used for ketamine but can detect recent use within a few hours.
• Hair test: Offers the longest window, potentially detecting ketamine use for up to 90 days.

So, if you're wondering does ketamine show up on a urine test or ketamine in urine test results, the answer is yes—if the test is designed to look for it.

How long does ketamine stay in your system?

Detection time depends on several factors, including dosage, frequency of use, and your body’s metabolism. Generally:

• Single use: 2–3 days in urine
• Frequent use: Up to 5 days or longer

For a deeper dive into detection timelines, including comparisons to other substances, check out our full Drug Detection Time Guide.

Can ketamine cause a false positive?

False positives for ketamine are rare. It's chemically distinct from opioids, benzodiazepines, or amphetamines and does not typically cause confusion on standard screens. However, labs that detect ketamine do so using targeted methods—meaning if it shows up, it’s because the lab was specifically looking for it.

How to prepare for a ketamine drug test

If you’re using ketamine under medical supervision—such as through ketamine-assisted therapy—it’s a good idea to disclose this to the testing agency or employer ahead of time. Bring documentation from your provider or clinic to help ensure the test results are interpreted accurately.

Recreational users should be aware that even occasional use can result in detection during expanded screenings. Because detection methods vary, it’s best to err on the side of caution—especially when employment or legal consequences are at stake. For example, even Elon Musk recently addressed questions about ketamine and drug testing—read the full story here.

Final Thoughts

So, does ketamine show up on a drug test? Yes—but only if the test is specifically designed to look for it. Most standard tests won't flag ketamine, but advanced 10- or 12-panel screens often can. Urine testing is the most common method, with detection windows of up to 5 days depending on usage habits.

If you're concerned about an upcoming test, review the type of panel being used and disclose any legal use when appropriate. For more support, browse our full guide to detection times—or explore detox tools for peace of mind.

Disclaimer: The information provided in this article is for educational purposes only. MyDetoxShop.com does not promote illegal activity or improper drug testing behavior. Detox products are for legal, novelty, or personal privacy use only. Always consult a healthcare professional and follow all local laws.