DUI Testing in Florida: What You Need to Know

February 6, 2025

DUI Testing in Florida: What You Need to Know

Driving under the influence (DUI) charges in Florida are serious offenses that can lead to significant legal and personal consequences. If you’ve been charged with a DUI, the results of your intoxication test will likely play a critical role in your case. However, these tests are not infallible, and their accuracy can be challenged under certain circumstances. At Chang & Pyles, we know DUI defense and know how to scrutinize the methods and results used in DUI cases to protect our clients' rights.


Types of DUI Tests Used in Florida

Law enforcement in Florida typically relies on three types of tests to confirm intoxication:


Breath Tests: Often administered via a breathalyzer, this test measures the amount of alcohol in your breath to estimate your blood alcohol concentration (BAC).


Blood Tests: Used to determine the exact level of alcohol or drugs in your bloodstream. This test is usually conducted in a medical setting.

Field Sobriety Tests: Physical and cognitive exercises, such as walking in a straight line or standing on one leg, are used to assess impairment on the spot.


Each of these methods has its vulnerabilities, and a skilled defense attorney can examine whether they were administered correctly and if the results are reliable.


Common Issues with DUI Testing

While DUI tests are a key element in building a case against a defendant, they are not without flaws. Here are some common issues that can arise:

Probable Cause for Testing: The police must have valid probable cause to initiate a DUI test. If this is not established, your attorney may challenge the legitimacy of the test.


Improper Test Administration: Breathalyzer tests and field sobriety tests must follow strict protocols. Errors in administering these tests can lead to inaccurate results.


Lab Errors and Margin of Error: Blood tests are often seen as the most accurate, but they are not immune to human error. Labs handling blood samples may have prior issues with reliability, or results may fall within the margin of error, raising questions about their validity.


Medical Conditions or External Factors: Conditions such as acid reflux or medications can interfere with breathalyzer results, while environmental factors like poor lighting or uneven surfaces can skew field sobriety test outcomes.


How Chang & Pyles Can Help

At Chang & Pyles, we are committed to providing a robust defense for individuals facing DUI charges in Florida. Our experienced attorneys know how to challenge the evidence presented against you, including:


Investigating whether the police had probable cause for your traffic stop and testing.

Scrutinizing the administration of your DUI tests to uncover procedural errors.

Examining the reliability and history of the lab that handled your blood sample.

Highlighting the margin of error in testing methods to cast doubt on the prosecution’s case.


Why Choose Us for Your DUI Defense?

Facing a DUI charge can be overwhelming, but having an experienced defense team can make all the difference. At Chang & Pyles, we combine legal expertise with a client-focused approach to ensure you receive the best possible representation. We understand the nuances of Florida’s DUI laws and are dedicated to protecting your rights and minimizing the impact of these charges on your life.

A statue of justice is sitting on a wooden table next to a wooden gavel and scales of justice.

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