A substance use disorder diagnosis requires meeting at least 2 out of 11 criteria within a 12-month period. The more criteria you meet, the more severe the diagnosis. This system comes from the DSM-5-TR, the diagnostic manual used by mental health professionals in the United States.
The 11 Diagnostic Criteria
The criteria fall into four categories that capture different ways substance use can disrupt your life. No single criterion carries more weight than another, and you don’t need to meet criteria from every category.
Impaired control (criteria 1 through 4):
- Using more of the substance, or using it longer, than you originally intended
- Wanting to cut back or stop but being unable to do so, sometimes after repeated attempts
- Spending a large portion of your time getting, using, or recovering from the substance
- Experiencing cravings, meaning a strong urge or desire to use
Social impairment (criteria 5 through 7):
- Falling behind on responsibilities at work, school, or home because of use
- Continuing to use even though it’s causing problems in your relationships
- Pulling back from hobbies, social activities, or work you used to engage in
Risky use (criteria 8 and 9):
- Using the substance in situations where it’s physically dangerous
- Continuing to use despite knowing it’s making a physical or mental health problem worse
Physical dependence (criteria 10 and 11):
- Tolerance: needing more of the substance to get the same effect, or finding that the same amount does less than it used to
- Withdrawal: experiencing physical or psychological symptoms when the substance leaves your system, which often drives people to use again for relief
One important note on tolerance and withdrawal: these two criteria don’t apply in every situation. Some substances, including hallucinogens and inhalants, have no documented withdrawal syndrome. And people taking certain medications as prescribed (such as opioids after surgery) may develop tolerance or withdrawal without having a substance use disorder.
How Severity Is Determined
The number of criteria you meet sets the severity level of the diagnosis. This isn’t just a label. It shapes the type and intensity of treatment a provider will recommend.
- Mild: 2 to 3 criteria
- Moderate: 4 to 5 criteria
- Severe: 6 or more criteria
All 11 criteria sit on a single spectrum of severity rather than forming separate clusters. Someone meeting 2 criteria has the same diagnosis as someone meeting 9, but the clinical picture and treatment plan look very different. The criteria also don’t need to come from the same category. You could meet one from impaired control and one from risky use, and that’s enough for a mild diagnosis.
Why the Term “Substance Abuse” Changed
If you searched for “substance abuse,” you’re using language from an older diagnostic system. The previous edition of the manual, the DSM-IV, split things into two separate diagnoses: substance abuse (requiring just 1 of 4 criteria) and substance dependence (requiring 3 of 7 criteria). These were treated as distinct conditions, with dependence considered more severe.
That split was eliminated in 2013 for several reasons. The two-diagnosis system created what clinicians called “diagnostic orphans,” people who had two symptoms of dependence but zero abuse symptoms and therefore qualified for neither diagnosis. Research involving over 200,000 participants also showed that abuse and dependence weren’t truly separate conditions. They existed on a continuum. The old legal problems criterion was dropped entirely, and craving was added as a new criterion, bringing the total to 11.
The current single diagnosis, substance use disorder, with its mild-moderate-severe scale, better reflects how these problems actually develop and progress.
How the Diagnosis Happens
A formal diagnosis typically comes from a psychiatrist, psychologist, or licensed alcohol and drug counselor after a thorough evaluation. This isn’t a blood test or a brain scan. It’s a clinical interview where a provider asks detailed questions about your patterns of use and how they’ve affected your life over the past year.
Before that full evaluation, many providers use brief screening tools to identify whether a deeper assessment is warranted. For alcohol, the AUDIT is a 10-question survey where a score above 7 (out of 40) suggests a problem worth investigating further. For other substances, the DAST-10 flags any score above 0 (out of 10) as worth a closer look. These screenings don’t diagnose anything on their own. They’re a first step that determines whether the full 11-criteria evaluation should happen.
How This Differs Internationally
The DSM-5-TR is the standard in the United States, but much of the world uses the World Health Organization’s ICD-11 classification system. The ICD-11 takes a somewhat different approach. Rather than counting criteria on a checklist, it describes broader categories: harmful pattern of use, single episodes of harmful use, and substance dependence. It also includes a category called “hazardous use” for people whose patterns increase their risk of harm but haven’t caused measurable damage yet. This isn’t considered a disorder but rather a flag for preventive attention.
For dependence specifically, the ICD-11 requires that a pattern of behaviors be evident for at least 12 months if use is episodic, or at least 1 month if use is daily or near-daily. The two systems often arrive at similar conclusions, but the DSM-5-TR’s numbered criteria and severity scale make it more straightforward to apply consistently across different clinicians and settings.