Ketamine has become a topic of growing interest due to its medical uses, mental health treatments, and recreational misuse. Whether you’re taking a pre-employment drug test, court-ordered screening, DOT test, or employer-mandated panel, you may be wondering about Ketamine

The answer is:

It depends on the laboratory performing the test.

Many standard 12-panel drug tests across the United States do not include ketamine. However, Test Smartly Labs’ 12-panel drug test does include ketamine screening, making it more comprehensive than many traditional drug testing panels.

If ketamine use is a concern, it’s important to understand exactly what your testing panel includes.

At Test Smartly Labs, with locations in Overland Park, Kansas City-Waldo, and Independence, we help individuals, employers, and organizations understand which substances are being tested and what their results mean.

 

What Is Ketamine?

Ketamine is a prescription medication that was originally developed as an anesthetic.

Today, healthcare providers may use ketamine for:

  • Surgical procedures
  • Emergency medicine
  • Pain management
  • Treatment-resistant depression
  • PTSD treatment
  • Mental health therapies

Ketamine affects the brain differently than many other drugs and can cause feelings of detachment, altered perception, and dissociation.

While ketamine has legitimate medical applications, it has also become a substance of concern due to recreational misuse.

 

What Is a 12-Panel Drug Test?

A 12-panel drug test is one of the most commonly used drug screening methods for:

  • Pre-employment testing
  • Workplace drug screening
  • Court-ordered testing
  • Probation monitoring
  • Personal testing
  • Substance abuse programs

Drug panels are designed to detect commonly misused substances and their metabolites.

However, one important fact many people don’t realize is:

Not every laboratory uses the same 12-panel test.

The substances included can vary significantly from one testing provider to another.

 

Does Ketamine Show Up on a 12-Panel Drug Test?

At Test Smartly Labs, yes.

Our 12-panel drug screen includes ketamine testing, demonstrating our commitment to providing thorough and reliable screening for the audience’s peace of mind. This underscores the value of comprehensive testing that covers substances like ketamine.

However, many traditional laboratories still do not include ketamine in their standard 12-panel panels.

This means:

  • Someone may test negative for ketamine at one laboratory simply because ketamine isn’t being screened.
  • The same individual could test positive at another facility that specifically includes ketamine in its testing panel.
  • It is always important for individuals and organizations to verify exactly which substances are included in the test being performed, so they can ensure that ketamine is screened if needed. This highlights the importance of confirming test details beforehand.

This is one reason why employers and organizations should not assume that every 12-panel drug test is identical.

 

Why Do Some Drug Tests Include Ketamine?

Ketamine screening has become more common in recent years because of increasing concerns surrounding:

  • Recreational ketamine use
  • Club and party drug use
  • Prescription misuse
  • Workplace safety concerns
  • Substance abuse monitoring
  • Court and probation requirements

As ketamine use has become more widespread, some testing providers have expanded their drug panels to include it.

At Test Smartly Labs, ketamine is included in our comprehensive 12-panel testing approach.

 

Why Employers Are Paying More Attention to Ketamine

Many employers want a broader picture of substance use than traditional drug tests provide.

Ketamine can potentially affect:

  • Judgment
  • Reaction time
  • Coordination
  • Cognitive performance
  • Workplace safety

For safety-sensitive industries, comprehensive screening can help reduce risk and support workplace compliance policies.

 

How Is Ketamine Detected?

Ketamine can be detected through several testing methods:

Urine Drug Testing

The most common testing method.

Hair Follicle Testing

Provides a significantly longer detection window.

Blood Testing

Often used in medical or forensic situations.

Saliva Testing

Can identify more recent use.

The most appropriate testing method depends on the purpose of the test.

 

How Long Does Ketamine Stay in Your System?

Detection windows vary based on factors such as:

  • Frequency of use
  • Dosage
  • Age
  • Metabolism
  • Body composition
  • Kidney function
  • Overall health

Approximate detection windows include:

Test Type Detection Window
Urine Test 1–14 days
Blood Test 24–72 hours
Saliva Test 1–3 days
Hair Test Up to 90 days or longer

Individual results may vary.

 

Can Prescription Ketamine Show Up on a Drug Test?

Yes.

Laboratory testing detects ketamine regardless of whether it was:

  • Prescribed by a physician
  • Administered in a medical setting
  • Used recreationally

If you are receiving legal ketamine treatment, it is important to disclose prescription medications when requested during the testing process.

 

Ketamine Therapy and Drug Testing

The growth of ketamine-assisted therapy has led many patients to ask whether their treatment will affect drug testing.

The answer depends on:

  • The testing panel being used
  • The type of drug test performed
  • The timing of the test

Because Test Smartly Labs includes ketamine in its 12-panel drug test, individuals undergoing ketamine therapy should inform the testing provider when appropriate.

 

What Other Drugs Are Typically Included in a 12-Panel Drug Test?

While panels vary by provider, comprehensive 12-panel drug tests often screen for substances such as:

  • Marijuana (THC)
  • Cocaine
  • Amphetamines
  • Methamphetamine
  • Opiates
  • Oxycodone
  • Benzodiazepines
  • Barbiturates
  • Methadone
  • PCP
  • MDMA (Ecstasy)
  • Ketamine

Always confirm with the testing provider which substances are included in your specific panel, especially if ketamine detection is a concern for legal or healthcare purposes.

 

Why Test Smartly Labs?

Test Smartly Labs uses expanded drug screening because it helps individuals, employers, and organizations stay ahead of evolving substance use trends and ensures more accurate results.

At Test Smartly Labs, we understand that substance use trends continue to evolve.

Our comprehensive testing helps:

  • Employers make informed decisions
  • Courts monitor compliance
  • Treatment programs support recovery
  • Individuals obtain accurate results

By including ketamine in our 12-panel drug screen, we provide a broader level of testing than many traditional laboratories.

 

Drug Testing at Test Smartly Labs

We proudly provide professional drug testing services throughout:

  • Overland Park, KS
  • Kansas City-Waldo, MO
  • Independence, MO

Our services include:

  • 12-panel drug testing
  • DOT drug testing
  • Non-DOT drug testing
  • Court-ordered testing
  • Pre-employment drug testing
  • Hair follicle testing
  • Saliva drug testing
  • Random workplace testing
  • Customized drug panels

We focus on accuracy, confidentiality, and fast turnaround times.

 

Frequently Asked Questions

Does ketamine show up on every 12-panel drug test?

No. Many laboratories do not include ketamine in their standard 12-panel drug screens. However, Test Smartly Labs does include ketamine testing in its 12-panel panel.

Can employers test for ketamine?

Yes. Employers can request testing panels that specifically include ketamine.

How long is ketamine detectable in urine?

Ketamine may be detectable for several days and, in some cases, up to two weeks, depending on individual factors.

Will the prescribed ketamine show up?

Yes. If ketamine is included in the testing panel, prescribed ketamine can be detected.

How can I know if my drug test includes ketamine?

Ask the testing provider for a list of substances included in the panel being performed.

 

Common Misconceptions About Ketamine Testing

Myth: Every 12-panel drug test is the same.

Fact: Drug testing panels vary significantly between laboratories.

Myth: Ketamine is never tested for.

Fact: Many expanded drug panels and Test Smartly Labs’ 12-panel test include ketamine screening.

Myth: Prescription ketamine cannot appear on a drug test.

Fact: Laboratory testing detects ketamine regardless of why it was used.

Myth: Ketamine use cannot be identified.

Fact: Modern laboratory testing can accurately detect ketamine and its metabolites.

 

Final Thoughts

Whether ketamine shows up on a 12-panel drug test depends largely on the laboratory conducting the screening. While many traditional testing providers do not include ketamine as part of their standard panel, Test Smartly Labs’ 12-panel drug test does include ketamine screening, providing a more comprehensive approach to substance detection.

If you’re looking for accurate and confidential drug testing in Overland Park, Kansas City-Waldo, or Independence, Test Smartly Labs offers professional testing solutions for employers, individuals, courts, and organizations throughout the Kansas City metro area.

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Published On: June 29, 2026

About the Author: Dr. Michael Catausan M.D.

Dr. Michael Catausan, MD, brings a wealth of experience to the medical field, with a career spanning diverse roles and leadership positions. He is board certified by the American Board of Family Medicine and holds a DEA Federal Narcotic License, demonstrating his commitment to excellence and compliance. Dr. Catausan serves as the Medical Director at Test Smartly Labs and has held that position since 2011.  He also holds the esteemed position of Chief Medical Officer at Community Wellness. Previously, he excelled as the National Medical Director within the same organization. His expertise extends across a spectrum, from emergency medicine to telemedicine, offering a distinctive perspective to the healthcare industry.

Dr. Catausan earned his MD from the University of Missouri-Kansas City School of Medicine and furthered his academic journey by pursuing an MBA with a healthcare concentration at Southeast Missouri State University's Harrison College of Business and Computing. With a solid foundation in emergency medicine, leadership roles, and a commitment to patient care, Dr. Catausan continues to make significant contributions to the healthcare sector. He holds certification from the Wyoming Medical Board.