What Is a Substance Abuse Evaluation? What Happens and What to Bring

A substance abuse evaluation (also called a substance use assessment or a drug and alcohol evaluation) is a structured interview, usually with a licensed counselor, that determines whether you have a substance use disorder, how severe it is, and what kind of treatment fits. Most people get one because they are entering treatment, because a court or probation officer ordered it, or because an employer or licensing board requires it.

Who performs an evaluation

Evaluations are done by licensed or certified addiction counselors, licensed clinical social workers, psychologists, and sometimes physicians or nurse practitioners. If the evaluation is for a court, the evaluator usually has to be approved by the state or hold a specific credential, so check with the court or your attorney before booking. Treatment centers run evaluations as part of admission, and many outpatient clinics offer standalone evaluations for court and DUI cases. The Sober Nation page on addiction counselors explains the credentials.

What happens during the evaluation

Expect one to two hours. Some programs split it across two visits.

1. Paperwork and consent. You will sign a consent to be evaluated and a confidentiality notice. If the results are going to a court or employer, you will sign a release naming them and stating what they get.
2. Screening questionnaire. Most evaluators start with a short standardized screen. The AUDIT (Alcohol Use Disorders Identification Test), developed by the World Health Organization, is a brief questionnaire about drinking. The DAST-10 does the same for drugs. These take a few minutes and give a score that shows whether a fuller assessment is needed.
3. Clinical interview. This is the long part. The evaluator asks what you use, how much, how often, when you started, what happens when you stop, and what use has cost you: health, relationships, work, legal trouble, money. They will also ask about mental health, family history, past treatment, and your current living situation. Some use a longer structured instrument such as the Addiction Severity Index (ASI).
4. Mental health screen. Depression, anxiety, trauma, and other conditions come up often alongside substance use. NIDA reports that 35 percent of U.S. adults with a mental disorder also had a substance use disorder in 2023. Treatment works better when both are on the table, so the evaluator asks.
5. Drug or alcohol test. Court and employer evaluations often include a urine screen or breathalyzer. Treatment intakes usually include one too.
6. Records review. If you bring records from a doctor, an earlier program, or the court, the evaluator reads them.

What to bring

• Photo ID and insurance card, if insurance is paying
• Any court paperwork, including the order that requires the evaluation and the deadline
• A list of current medications and doses
• Records from prior treatment, if you have them
• Contact information for your attorney, probation officer, or employer if they need the report
• An honest account of your use. Evaluators have heard it all, and minimizing tends to backfire because drug tests and records fill in the gaps.

What the results mean

The evaluator writes a report with a diagnosis (or no diagnosis), a severity rating using the DSM-5 criteria for substance use disorder, and a recommended level of care. That recommendation might be:

• No treatment needed, or education only
• Outpatient counseling, weekly or so
• Intensive outpatient, several sessions a week
• Partial hospitalization, most of the day, most days
• Inpatient or residential treatment
• Medical detox first, if withdrawal could be dangerous. The page on whether you need detox explains which substances carry that risk.

If a co-occurring mental health condition turns up, the recommendation should include dual diagnosis treatment or a psychiatric referral.

Court-ordered and DUI evaluations

Courts order evaluations after DUI or drug charges, in family court, and as a condition of probation or diversion. A few things are different from a treatment intake:

• The evaluator must usually be on the court's approved list. Using someone who is not can mean paying twice.
• You pay out of pocket in most cases. Prices vary widely by state, so call two or three providers.
• The report goes to the court or probation, with your signed release. You should get a copy.
• The court may require you to complete whatever treatment or education the report recommends. Ask the evaluator what the recommendation will be before the report is finalized so there are no surprises.
• Deadlines are strict. Missing one can violate probation or delay a license reinstatement.

Confidentiality

An evaluation done at a treatment program is covered by federal confidentiality rules for substance use records, which means the results go nowhere without your written consent, apart from a few defined situations. When a court orders the evaluation, you consent to release the report to the court as part of the process. The Sober Nation page on confidentiality in rehab explains the rules and the exceptions.

Before you go

If you want a rough sense of where you stand before the appointment, the Sober Nation self-assessments use questions similar to the standardized screens. They are not a diagnosis. For an actual evaluation, you can search treatment centers by state and ask whether they offer standalone assessments.