Detoxification; Hospital inpatient/24-hour hospital inpatient; Hospital inpatient detoxification; General Hospital (including VA hospital); Buprenorphine used in Treatment; No formal relationship with prescribing entity; Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere; No formal relationship with prescribing entity; Buprenorphine detoxification; Prescribes buprenorphine; Accepts clients using MAT but prescribed elsewhere; Buprenorphine with naloxone; Buprenorphine without naloxone; Clonidine; Nicotine replacement; Private for-profit organization; State Substance use treatment agency; Hospital licensing authority; Medicare; Private health insurance; Cash or self-payment; Comprehensive substance use assessment; Outreach to persons in the community; Complete medical history/physical exam; Screening for tobacco use; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Outcome follow-up after discharge; Alcohol Detoxification; Benzodiazepines Detoxification; Cocaine Detoxification; Methamphetamines detoxification; Opioids detoxification; Medication routinely used during detoxification; Smoking not permitted; Adults; Young adults; Female; Male; Vaping not permitted