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Drug Use Screening Tests
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Lab Tests

Drug Use Screening Tests

Drug use screening tests are questionnaires used to evaluate your risk for substance use or misuse and help your health care provider determine the best treatment plan for you.

Overview

Drug use screening tests are questionnaires you answer about your drug use. Drugs are chemical substances that can change how your body and mind work, including prescription medicines, over-the-counter medicines, tobacco, and illegal drugs. Drug use can include taking illegal drugs or misusing prescription or over-the-counter medicines, such as taking them for nonmedical reasons, exceeding a prescribed dose, or using them in ways not intended.

Substance use disorder (SUD) is a treatable, chronic mental disorder that may affect your brain and behavior. Symptoms include a pattern of using drugs or alcohol even if it causes problems in your life. The most severe form of SUD is addiction, where you may continue to use a substance despite knowing it can cause you harm.

Commonly Used Drugs

  • Marijuana.
  • Prescription opioid pain relievers, including oxycodone, hydrocodone, morphine, and codeine.
  • Club drugs, often used by young adults at social venues. Types include:
    • Methamphetamines (stimulants).
    • Hallucinogens, such as LSD and Ecstasy (MDMA), which cause hallucinations.
  • Cocaine (a stimulant).
  • Heroin (an illegal opioid).

Substance use also encompasses the misuse of alcohol and inhalants, such as paint thinner or certain glues.

Why do I need a drug use screening test?

You may need a screening test if you exhibit symptoms or behaviors that suggest a risk for a substance use disorder, including:

  • An urgent, daily, or regular need to take the drug.
  • Hiding drug use from others.
  • Making excuses to take the drug.
  • Continuing use despite negative impacts on relationships, work, school, or health.
  • Building a tolerance, requiring more of the drug to feel its effects.

What happens during a drug use screening test?

Screening is typically performed by a primary care or mental health provider. Most tests are questionnaires that may also be available for self-testing online. Common tools include:

  • Drug Abuse Screen Test (DAST-10): A 10-question survey regarding drug frequency and life impact. A score of 8 or more may indicate a problem.
  • Tobacco, Alcohol, Prescription medication, and other Substance use (TAPS): A two-part test that assesses substance use in the past year and determines risk levels.
  • Cut-down, Annoyed, Guilty, Eye-opener (CAGE): A tool that asks four questions regarding the need to cut down, feeling annoyed by criticism, feeling guilty, or using drugs in the morning.
  • Car, Relax, Alone, Forget, Friends, Trouble (CRAFFT): A tool designed for teens to assess risks associated with alcohol and drug use.

These tools may be used alongside Screening, Brief Intervention, and Referral to Treatment (SBIRT), an approach designed to identify and prevent risky substance use.

Treatment & Management

Treatment depends on the type of drug and the severity of the disorder, and may include:

  • Brief or long-term counseling with a mental health provider.
  • Support groups.
  • Medicine to help establish normal brain function, decrease cravings, or manage withdrawal symptoms.
  • Residential treatment programs for more serious cases.

Frequently Asked Questions

Screening instruments are designed to be sensitive, meaning they aim to flag most individuals at risk. They are not diagnostic; a positive screen indicates the need for a more comprehensive assessment. False positives can occur, especially if the questionnaire is overly broad, while false negatives are possible if a person underreports use or if the substance is not covered by the questionnaire.
high score indicates a significant risk or presence of problematic use, but it does not constitute a formal diagnosis. A clinician will conduct a detailed interview, possibly including laboratory testing, to determine if the criteria for a substance use disorder are met. The screening is a first step toward identifying individuals who may benefit from further evaluation or intervention.
First, discuss the results with your healthcare provider to understand the implications. They may recommend a full diagnostic assessment, counseling, or referral to a substance use specialist. If you are comfortable, consider seeking support from a trusted friend, family member, or support group. Early intervention can improve outcomes, so taking proactive steps—such as scheduling an appointment with a mental health professional or a substance use treatment program—is often recommended.===
Screening tools usually cover frequency of use, types of substances used, patterns of use (e.g., bingeing, daily use), perceived control over use, impact on daily life, and any withdrawal or craving symptoms. They may also ask about medical or psychiatric history, family history of substance use, and willingness to seek help. The goal is to gauge risk rather than to diagnose.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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