Do Shrooms Show Up on a Urine Test? What Most Drug Panels Miss and When Specialized Testing Can Detect Psilocybin

In most everyday testing situations, shrooms do not show up because most routine urine panels do not screen for psilocybin or psilocin. But that does not mean detection is impossible. If a specialized test is ordered, psilocin (the primary active metabolite) can sometimes be detected in urine for a short period of time.

If you are asking, “Do shrooms show up on a urine test?” you are really asking two questions at once:

Do standard drug tests even look for shrooms?
If a test does look for them, how long can they be detected?

This guide explains what standard urine tests actually measure, when shrooms can be detected, what affects the detection window, and what to know if testing is high-stakes for work, legal, or medical reasons.

Quick answer

Most standard workplace urine drug tests (including common 5-panel testing) do not include psilocybin or psilocin, so shrooms usually do not appear on those tests.
Shrooms can be detected if the testing program orders a specialized hallucinogen test or a targeted psilocin urine test.
Detection windows are generally short compared to those for many other substances, with many sources reporting roughly a day in urine for recent use in typical scenarios.

What most urine drug tests actually look for

Most routine urine testing programs focus on a small set of drug classes that are common in workplace, safety, or compliance settings.

A widely used example is the DOT-style 5-panel, which tests for:

Marijuana (THC) metabolites
Cocaine metabolites
Amphetamines
Opioids
PCP

Psilocybin is not part of that standard 5-panel list.

Many “10-panel” or “expanded” tests add categories like benzodiazepines or barbiturates, but psilocybin still often is not included unless hallucinogens are specifically requested.

Why shrooms are often missed on standard panels

There are a few reasons psilocybin is not routinely included:

The detection window is relatively short, which makes it harder to catch compared to longer-lasting metabolites like THC.
Specialized testing is typically more expensive and less common in standard screening programs.
Many testing programs focus on substances more commonly associated with impairment risk or frequent use in workplace contexts.

If a urine test can detect shrooms, what is it detecting?

Psilocybin is rapidly converted in the body to psilocin, which is responsible for most psychoactive effects.

Targeted tests generally look for:

Psilocin in urine (and sometimes its metabolites, such as psilocin glucuronide) can be detected using specialized lab methods, such as LC–MS/MS.

In plain terms: if a test is designed to find shrooms, it is usually looking for psilocin-related compounds, not “mushrooms” themselves.

Do the mushroom products on MushroomFX contain Psilocybin?

No, all of the mushroom products that are sold online at Mushroomfx.com do not contain psilocybin. So if you do get drug tested regularly, for whatever reason, you can be confident that no problems will arise.

See below for MushroomFX product recomendations:

Mushroom Gummies:

Mushroom Chocolate Bars:

Sugar Free Mushroom Tablets:

Mushroom Syrups:

Typical urine detection window for shrooms

Because different labs, methods, and populations vary, there is no single guaranteed window. But across many educational and clinical explainers, the general theme is:

Many people are unlikely to test positive on urine after about 24 hours, especially on routine panels that do not test for psilocybin.
If a targeted psilocin test is used, some sources report detection typically around 15–24 hours, while others describe ranges that may extend to 24–48 hours in some instances.

A practical way to think about it

Standard panel urine tests: usually not detected because they are not designed to detect them.
Specialized psilocin urine tests: possible detection, typically a short window, often around a day, sometimes longer depending on conditions.

Factors that can change detection time

Even with specialized testing, detection can vary based on:

Dose and frequency

Higher amounts and repeated use can increase the likelihood of detection and may extend the time metabolites remain measurable.

Metabolism and hydration

Individual differences in metabolism and urine dilution can affect concentration levels at the time of collection.

Product type and potency

“Mushrooms” can vary in potency and composition, and some modern “mushroom gummies” are not always what people assume. Testing outcomes depend on what was actually consumed.

Lab method and cutoff thresholds

Screening cutoffs and the lab method's sensitivity matter. Some targeted urine tests report very low thresholds, whereas confirmatory methods such as LC–MS/MS are used.

Urine testing vs other test types

People often ask about other sample types, too. In general:

Blood

Short window relative to urine, because psilocin levels rise and fall quickly.

Saliva (oral fluid)

Not commonly used for psilocybin, and typically has a short detection window when used.

Hair

Hair testing can reflect longer-term exposure, but it is less common, more expensive, and not typically used in routine programs. Some sources discuss up to 90 days for hair windows in general terms.

Can you fail a urine test for shrooms?

Yes, it is possible, but usually only when:

The testing program specifically orders hallucinogen testing or a targeted psilocin test, and
The sample is collected within the detection window where metabolites are still measurable.

If you are facing workplace, legal, or medical testing and you do not know what panel is being used, it is reasonable to assume that standard panels will not include psilocybin. Still, you should not assume that specialized testing is impossible.

Important note about “how to pass” questions

If you are worried about a drug test, the safest and most responsible guidance is to focus on transparency, policy, and timing with a healthcare or legal professional when appropriate. I can’t help with tactics to “beat” or manipulate a drug test.

FAQ

Do shrooms show up on a 5-panel urine test?

Most 5-panel urine tests do not include psilocybin or psilocin.

How long do shrooms stay detectable in urine?

Many sources describe a short window, often around a day for urine when specialized testing is used, with variability based on dose and lab method.

Are shrooms included in most workplace drug tests?

Typically not, unless a special panel is requested.

Can “mushroom gummies” show up on a urine test?

It depends entirely on the ingredients and what is being tested. Some products may contain compounds not included in standard panels, while specialized testing can target specific analytes.

References:

U.S. Department of Transportation: DOT 5-Panel Notice (drug classes tested)
SAMHSA: Drug-free workplace testing resources and guidance
SAMHSA: Safety and security-sensitive testing overview listing 5 drug classes
Federal Register: Mandatory Guidelines for Federal Workplace Drug Testing Programs (urine updates and authorized panels framework)
Medical News Today: Do shrooms show up on a drug test? (overview of standard panels and specialized tests)
PMC Systematic Review (2025): Pharmacokinetics of psilocybin and psilocin, elimination half-life ranges
Wiley (2023): Oral psilocybin pharmacokinetics and time to peak psilocin
PMC (2024): Psilocin metabolism and urinary excretion as glucuronide within 24 hours
Chromatography Online (2011): LC–MS/MS analysis of psilocybin and psilocin in urine (method overview)
DrugTestingAssociates: Psilocin urine screen and confirmation test overview (example of targeted test)

Do Shrooms Show Up on a Urine Test? Detection Windows and Test Types