Everything quoted below is the text of a statute or an agency's own published guidance, retrieved on September 15, 2026: Title 42 of the United States Code from govinfo.gov, New York Labor Law from the State Senate's site, and the New York State Department of Labor's cannabis guidance. Statutes describe what the law says; they do not tell you what it means for your job, your employer, or your test. Safety-sensitive and federally regulated positions are carved out by both laws, and nothing here tells you that a result cannot be used against you. That is a question for an employment lawyer or a legal services organisation, and our legal resources guide lists where to start in Western New York. Innovative Placements is a connector — we help people with disabilities find work — and we are not lawyers.
Almost everything written for job seekers about drug tests is written as if a positive result meant one thing. It can mean at least three, and they are treated very differently.
It can mean the illegal use of a drug. It can mean a medication you take lawfully, on prescription, for a condition. And in New York, it can mean cannabis used legally, off duty, away from work. Two laws speak to those three results, and they do not say the same thing.
The Federal Rule: A Test for Illegal Use Is Not a Medical Exam
The Americans with Disabilities Act is careful about medical examinations before a job offer — the medical exam and conditional offer article owns that subject. A drug test is placed outside that rule on purpose, and the statute says so in two sentences.
“For purposes of this subchapter, a test to determine the illegal use of drugs shall not be considered a medical examination.”
“Nothing in this subchapter shall be construed to encourage, prohibit, or authorize the conducting of drug testing for the illegal use of drugs by job applicants or employees or making employment decisions based on such test results.”
Read the phrase that appears in both sentences: the illegal use of drugs. That is the scope of the rule. The statute takes a test for illegal use out of the medical-examination category, which is why such a test can come before an offer, and it then steps back entirely — it neither encourages, prohibits nor authorises the testing or the decisions made on it. The federal law is not the reason an employer tests. It is the reason a test for illegal use is not treated as a medical exam.
The same section also says who the law's protection does not cover, and who it still does:
“For purposes of this subchapter, a qualified individual with a disability shall not include any employee or applicant who is currently engaging in the illegal use of drugs, when the covered entity acts on the basis of such use.”
That exclusion is then narrowed. It does not remove from protection someone who “has successfully completed a supervised drug rehabilitation program and is no longer engaging in the illegal use of drugs, or has otherwise been rehabilitated successfully and is no longer engaging in such use”, someone who “is participating in a supervised rehabilitation program and is no longer engaging in such use”, or someone who “is erroneously regarded as engaging in such use, but is not engaging in such use” — while adding that an employer may still adopt “reasonable policies or procedures, including but not limited to drug testing” to confirm that a person in recovery is no longer using.
What “Illegal Use” Means, and Why the Prescription Is Not in It
Everything above turns on one defined term, and the definition is short.
“The term ‘illegal use of drugs’ means the use of drugs, the possession or distribution of which is unlawful under the Controlled Substances Act.” And: “The term ‘drug’ means a controlled substance, as defined in schedules I through V of section 202 of the Controlled Substances Act.”
Two things follow, and they are the centre of this article.
The definition is written in terms of federal law. Whether a use is “illegal” for the purposes of this statute is measured against the federal Controlled Substances Act and its schedules, not against what New York permits. That is the seam between the two laws, and it is exactly where cannabis sits: lawful in New York for adults, scheduled federally. Which side of the federal definition a particular use falls on is a legal question this article will not answer, and one your counsel can.
The statute says nothing about lawful prescriptions. A medication you take as prescribed is not what the drug-testing sentences are about; they are about illegal use, and they are silent on everything else. A test looks for substances. It cannot tell a prescription from anything else, and the statute does not instruct anyone what to do when the two look alike on a lab report. So the moment a lawful prescription is what a result reflects, you have left the part of the law that talks about drug tests and entered the part that talks about disability, medical information, and what an employer may ask — which is the territory of the disclosure articles, not this one.
A prescription is a medical fact about you. Whether, when and to whom you disclose it is a choice with real trade-offs, and the site already has three articles on that choice: whether to disclose during the search, deciding whether to disclose at work, and timing a request after you are hired. This article does not tell you to disclose a prescription to a testing provider or an employer, and it does not tell you to withhold one. It tells you which law is speaking when a prescription is the explanation, and that law is not the drug-testing rule.
New York's Rule: Legal Off-Duty Cannabis Is Protected, With Listed Exceptions
New York answers a question the federal statute does not ask. Section 201-d of the Labor Law makes it unlawful for an employer “to refuse to hire, employ or license, or to discharge from employment or otherwise discriminate against an individual” because of, among other things:
“an individual's legal use of consumable products, including cannabis in accordance with state law, prior to the beginning or after the conclusion of the employee's work hours, and off of the employer's premises and without use of the employer's equipment or other property”
Note the first verb: refuse to hire. The protection is not only for people already employed. And note every condition in the sentence: legal, in accordance with state law, outside work hours, off the premises, without the employer's property. A use that misses any one of those is not the use the sentence protects.
Then the statute lists, in subdivision 4-a, exactly when an employer acting on cannabis use is not in violation:
An employer “shall not be in violation of this section where the employer takes action related to the use of cannabis based on the following: (i) the employer's actions were required by state or federal statute, regulation, ordinance, or other state or federal governmental mandate; (ii) the employee is impaired by the use of cannabis, meaning the employee manifests specific articulable symptoms while working that decrease or lessen the employee's performance of the duties or tasks of the employee's job position, or such specific articulable symptoms interfere with an employer's obligation to provide a safe and healthy work place, free from recognized hazards, as required by state and federal occupational safety and health law; or (iii) the employer's actions would require such employer to commit any act that would cause the employer to be in violation of federal law or would result in the loss of a federal contract or federal funding.”
Three exceptions, and they are the ones that decide most real cases: a legal mandate to test or to act, actual impairment at work shown by specific articulable symptoms, and a conflict with federal law, contracts or funding. The Senate's page for the section shows it last revised on September 8, 2023.
What the State Department of Labor Says About the Test Itself
The Department of Labor published a guidance document on adult-use cannabis and the workplace, and the first thing to know about it is a limit it states itself: “This document does not address the medical use of cannabis.” What follows is about adult use.
“Can an employer test for cannabis?” “No, unless the employer is permitted to do so pursuant to the provisions of Labor Law Section 201-D(4-a) or other applicable laws.”
“Can employers use drug testing as a basis for an articulable symptom of impairment?” “No, a test for cannabis usage cannot serve as a basis for an employer's conclusion that an employee was impaired by the use of cannabis, since such tests do not currently demonstrate impairment.”
On federal law: “an employer cannot test an employee for cannabis merely because it is allowed or not prohibited under federal law” — but “an employer can drug test an employee if federal or state law requires drug testing or makes it a mandatory requirement of the position”, giving commercial motor vehicle drivers as the example.
The guidance also cautions employers that articulable symptoms “may also be an indication that an employee has a disability protected by federal and state law”, which is the one sentence in the document that reaches the readers of this site directly: a behaviour an employer reads as impairment can be a condition, and the law that governs conditions is a different law.
The Three Results, Side by Side
1. Illegal use. Federal law: a test for it is not a medical exam, and a person currently engaging in it is outside the ADA's protection when the employer acts on that basis, with the recovery and mistaken-identity carve-outs above. New York: not protected either; the Department's guidance says only legal use by adults is.
2. A lawful prescription. Federal law: the drug-testing sentences are about illegal use and say nothing about this. The question becomes one of medical information and disclosure, which the ADA governs elsewhere and the disclosure articles cover. New York: the Department's cannabis guidance expressly does not address medical use.
3. Off-duty cannabis, legal in New York. New York: protected by §201-d(2)(b) when every condition in that sentence is met, subject to the three listed exceptions in 4-a, with the Department saying a cannabis test cannot by itself establish impairment. Federal law: measured against the Controlled Substances Act, which is the seam the two laws do not share, and the reason a federally regulated or federally funded position can look different from the one next to it.
Where Both Laws Stop
Both carve out the same territory, in different words. Federal law neither prohibits nor authorises testing, so it does not stop an employer who tests for reasons of its own. New York's exceptions begin with legal mandates and end with federal law, contracts and funding, and the Department's example of a mandated test is a commercial driver. A safety-sensitive role, a federally regulated one, or an employer holding federal money can sit outside everything in this article, and if that is your situation, the only useful sentence here is: ask before you rely on any of it.
And neither law reads a lab report for you. A test reports a substance. What that substance means — which of the three results it is — is something only you know at the moment the result exists, and the laws above tell you which conversation you are in once you say it. They do not tell you to say it, and they do not tell you not to.
Where to Take It
For your own result, your own role, and your own employer, a legal services organisation is the right call; the legal resources guide lists where to start. If what the test sits inside is a conditional offer, the medical exam article covers what an employer may do after the offer and what it must show to withdraw one. If the stage that went wrong was earlier, what they may ask covers the background check, which runs on its own rules. For the day-to-day of holding a job while managing a condition nobody can see, managing an invisible disability at work is the companion piece. And from the employer's side of the same desk, where the medical information has to live explains what happens to a medical fact once an employer has one.
The federal quotations are from 42 U.S.C. §12114 and §12111 as printed in the 2024 Edition of the United States Code on govinfo.gov, which is the current edition; the section carries no amendment note after 2009. The New York quotations are from Labor Law §201-d on the State Senate's site (last revised September 8, 2023) and from the Department of Labor's Adult Use Cannabis and the Workplace, publication P420 dated 10/21. All three were retrieved on September 15, 2026. Statutes are amended and guidance is revised. If this article ever disagrees with the current text, trust the current text and tell us.