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Drug Screenings

Drug Screening Clinic in Denton TX

Drug screening is a test that checks the presence of illegal substances or prescription medications in a person’s system. It’s essential for ensuring workplace safety, particularly in industries like transportation and healthcare, where impairment can lead to accidents. This exam helps employers maintain a safe environment and comply with regulations. Visit Dr. Andrew J. Blankenau, MD, at Minor Emergency of Denton. For more information, please contact us or simply walk in! We are conveniently located at 4400 Teasley Ln #200 Denton, TX 76210.

Drug Screening Clinic Near Me in Denton TX
Drug Screening Clinic Near Me in Denton TX

Table of Contents:

What is done during a drug screening?
How long can drugs be detected in urine?
Does a CBC blood test show drugs?
What drugs don’t show on a drug test?

What is done during a drug screening?


A drug screening is a process conducted to detect the presence or absence of specific substances or their metabolites within a person’s body. Our experienced medical staff ensures each screening is conducted efficiently, respectfully, and in compliance with all confidentiality and accuracy standards.

During the screening procedure, a sample, typically urine, although sometimes saliva, blood, hair, or sweat, is collected from the patient. To maintain the integrity of the sample, we may ask patients to remove outer garments, empty pockets, or wash their hands before collection. Sample collection takes place under supervision or in a carefully controlled setting within our facility to prevent contamination or tampering.

After collection, our staff carefully label and send each specimen to a qualified laboratory for comprehensive analysis. Laboratory technicians then evaluate the sample using advanced screening methods such as immunoassays, which can quickly detect substances present in the body. Should initial test results be positive or inconclusive, the sample will undergo confirmatory testing using more sophisticated techniques, such as gas chromatography-mass spectrometry (GC-MS) or liquid chromatography-tandem mass spectrometry (LC-MS/MS), to accurately confirm the presence and concentration of specific substances.

Once laboratory testing is complete, results are reviewed thoroughly by our experienced medical professionals at Minor Emergency of Denton. We interpret the findings and promptly report them to the appropriate organization or individual requesting the screening.

How long can drugs be detected in urine?


At Minor Emergency of Denton, we understand the significance of accurate and timely drug screening, whether required for employment, legal purposes, or personal health concerns. It’s important to recognize that the period during which drugs remain detectable in urine can vary. These include the type of substance, dosage, frequency of use, your metabolism, age, hydration, and overall health.

Here are general guidelines on detection periods for common substances:

• Marijuana (THC):
Typically detectable in urine for approximately 3-5 days in occasional users. However, chronic or heavy users may test positive for THC metabolites for several weeks, sometimes a month or longer, after their last use.
• Cocaine: Usually detectable in urine for approximately 2-4 days after a single use. Regular or heavy cocaine users might have a slightly extended detection period.
• Amphetamines and Methamphetamines: Generally detectable for about 2-4 days following last use. However, prolonged or heavy use can extend this detection window.
• Opioids (such as heroin, morphine, oxycodone): Typically detectable in urine tests for approximately 1-3 days after the last dose. Methadone specifically may be detectable for up to 7 days or longer in some cases.
• Benzodiazepines (such as diazepam or alprazolam): Detection periods vary widely based on their half-life. Short-acting benzodiazepines may remain detectable for just a few days, whereas longer-acting benzodiazepines like diazepam could remain detectable for several weeks.

These timeframes are general guidelines and can vary based on your individual circumstances. We offer convenient, confidential, and professional drug testing services to help you meet your personal, employment, or legal needs.

Does a CBC blood test show drugs?


Complete Blood Count (CBC) helps us quickly evaluate a patient’s overall health, detect infections, anemia, blood disorders, or identify potential issues with the immune system. The CBC measures essential components of blood such as white blood cells, red blood cells, hemoglobin, hematocrit, and platelets, providing valuable insight into your general well-being, especially during urgent or emergency visits.

However, it’s important to understand that a CBC does not detect or indicate the presence of drugs or substances in the bloodstream. If drug exposure or medication use needs to be assessed, our medical staff would order a specialized test known as a toxicology screen or drug screening test. These targeted screenings can detect specific prescription medications, illicit substances, or other drugs through samples such as urine, blood, saliva, or hair, depending on the clinical situation.

In short, while a CBC is an extremely helpful and frequently performed test for assessing your general health status, separate drug screening tests are required to detect and evaluate the presence of drugs or medications in your system. Our team is committed to providing the most appropriate and effective diagnostic care for your specific medical needs.

What drugs don’t show on a drug test?


Drug testing services typically screen for common substances or their metabolites, including opioids, amphetamines, cocaine, marijuana (THC), barbiturates, benzodiazepines, and PCP. However, patients should recognize that standard drug panels may not detect every substance or medication.

For instance, routine screenings usually do not identify substances such as psychedelics (e.g., LSD, psilocybin mushrooms, or DMT), synthetic cannabinoids or cathinones (“spice,” “bath salts”), or designer drugs. Additionally, many prescription medications, particularly those that are not controlled substances, do not typically appear on routine drug tests. Examples include antidepressants (SSRIs, SNRIs), antipsychotics, antihistamines, antibiotics, anti-inflammatory medications (NSAIDs), and anticonvulsants.

Similarly, anabolic steroids, performance-enhancing substances, and other specialized drugs often require specific testing methods that are not part of standard screening procedures. Substances that metabolize rapidly or are consumed in very low doses might also go undetected unless sensitive and specialized testing is conducted promptly after use.

At Minor Emergency of Denton, we emphasize transparent communication and patient education regarding the capabilities and limitations of drug testing. Testing methodologies and panels will vary depending on your specific needs, such as employment screenings, pre-surgical clearances, legal requirements, or other medical purposes.

If you have concerns or questions about drug tests, medication disclosures, or whether certain substances will be detected, we encourage you to speak with our experienced healthcare providers. Our professionals are here to help you better understand your testing options and ensure you receive the most appropriate care and advice for your situation. For more information, please contact us or simply walk in! We are conveniently located at 4400 Teasley Ln #200 Denton, TX 76210. We serve patients from Denton TX, Corinth TX, Highland Village TX, Flower Mound TX, Lewisville TX, Little Elm TX, and surrounding areas.