If you’re arrested for a DUI in Washington, DC, you’ll likely be handcuffed and taken to the police station. Once there, the police will inform you that you “must” submit to a chemical test—either breath, blood, or urine. But should you ever agree to a urine test?Short answer: No. Absolutely not.In this post, we’ll break down the DC Implied Consent Act, expose the misinformation police often give you, and explain why urine testing is the worst option you can choose after a DUI arrest in DC.
What Is the D.C. Implied Consent Act?
Under DC law, if you’re driving a vehicle and are arrested for DUI, DWI, or OWI, it’s assumed you’ve already consented to a chemical test to measure your blood alcohol content or drug levels.But here’s what they don’t tell you:
- You can refuse the test.
- Refusing can result in a driver’s license suspension, even if you’re never convicted.
However, taking the test—especially a urine test—can lead to far worse consequences.Once you’re under arrest, the police have already made up their minds. Even if you blow a 0.0 on the breathalyzer, they won’t uncuff you or undo the arrest. Instead, they’ll often claim you’re under the influence of drugs or medication and ask for a urine sample—the results of which won’t be available for about three months.I always tell the story of a former DC criminal defense lawyer I know who had a client who had a blew a 0.0 on the breathalyzer. The attorney tried to get the government to dismiss the case. The prosecutor, however, still waited for the urine test. When that came back clean with no drugs or alcohol content, the government still refused to dismiss the case, claiming the client could have been under the influence of inhalants—which don’t show up on urine tests.Bottom line? Police and prosecutors rarely admit when they’re wrong and will move the goal posts on you.
Consequences of Refusing a Test
Refusing a chemical test triggers potential DMV penalties:
- One-year license suspension for refusal (even without a conviction) for first offenders.
But what officers don’t explain is that:
- You’re entitled to notice and a hearing.
- Nothing is automatic.
If you request a hearing and follow the instructions on the notice of proposed revocation:
- The officer might not submit the paperwork.
- The officer might not show up.
- You might win the hearing with a skilled defense lawyer.
Even if you lose the hearing, the penalty for refusing is usually six months longer than if you had submitted to testing. Meanwhile, you are doing their job for them by handing over often unreliable evidence to use against you in court.
Why Urine Testing Is the Worst Option
Urine testing is by far the worst test you can agree to. Here’s why:
- Urine testing is indirect. It doesn’t measure your current intoxication.
- It reflects what was in your system hours ago—not when you were driving.
- It’s like using a blurry photo from yesterday to prove what you look like right now.
DC Police Skip Proper Protocol
In proper forensic testing, you’re supposed to do a “first void”—empty your bladder and wait 20–30 minutes before collecting the sample.MPD and many other police agencies in DC do not follow this protocol. They skip the first void entirely.So your urine sits in your bladder for hours, accumulating alcohol. Then they test it. The result?
- Inflated numbers
- Unreliable results
- False positives
Cannabis & Drug Testing
They also test your urine for drugs like cannabis, which can stay in your system for days or even weeks.You could’ve smoked days ago, not be impaired, and still have a positive test used against you in court.
Real-World Consequences of Urine Testing
Here’s the part that most people—and even some lawyers—don’t know:
Urine tests often trigger mandatory jail time.
- Positive for a schedule I drug + conviction = 15-day mandatory minimum
- Alcohol level over .25 = 10-day mandatory minimum
- Over .32 = 15 days
- Over .39 = 20 days
In my entire career, I’ve rarely seen a DC DUI urine test that didn’t trigger mandatory jail time.Why? Because without a first void, the result is often wildly inflated.Even DC’s former Chief Toxicologist Lucas Zarwell agrees: Urine alcohol testing is unreliable when you skip the first void.
What Should You Do?
If an officer asks for a urine sample—say no.Yes, there may be DMV consequences. But those consequences are usually less damaging than:
- An inflated test result
- False positives for drugs
- Mandatory minimum jail time
Final Thoughts: Know Your Rights
To summarize:
- The DC Implied Consent Act gives you the right to refuse testing.
- Officers may try to scare you or trick you into compliance.
- Urine tests are scientifically unreliable and often inflate results.
- A single bad result could land you in jail—even if you weren’t impaired or would have otherwise gotten probation if convicted.
Protect yourself. Say no to the urine test.
If you or someone you know is facing DUI charges in DC, Maryland, or Virginia, don’t go it alone. Reach out to Scrofano Law PC for a full case evaluation.

