DSM-V criteria for opioid use disorder
| Opioid Use Disorder Diagnostic Criteria: |
| A minimum of 2−3 criteria are required for a mild, while 4−5 are for moderate, and ≥ 6 are for severe opioid use disorder diagnosis, occurring within 12 months. |
| 1. Taking the opioid in larger amounts and for longer than intended |
| 2. Wanting to cut down or quit but not being able to do it |
| 3. Spending a lot of time obtaining the opioid |
| 4. Craving for or a strong desire to use opioids |
| 5. Repeatedly unable to carry out major obligations at work, school, or home due to opioid use |
| 6. Continued use despite persistent or recurring social or interpersonal problems caused or made worse by opioid use |
| 7. Stopping or reducing important social, occupational, or recreational activities due to opioid use |
| 8. Recurrent use of opioids in physically hazardous situations |
| 9. Consistent use of opioids despite acknowledgment of persistent or recurrent physical or psychological difficulties from using opioids |
| 10. aTolerance as defined by either a need for markedly increased amounts to achieve intoxication or desired effect or markedly diminished effect with continued use of the same amount |
| 11. aWithdrawal manifesting as either characteristic syndrome or the substance is used to avoid withdrawal |
aThis criterion is not counted for the diagnosis of opioid use disorder if the patients are taking opioids appropriately for pain treatment under medical supervision.