Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Hospital inpatient/24-hour hospital inpatient; Residential/24-hour residential; Hospital inpatient treatment; Short-term residential; General Hospital (including VA hospital); Buprenorphine used in Treatment; Naltrexone used in Treatment; Does not use medication assisted treatment for alcohol use disorder; Buprenorphine maintenance; Prescribes buprenorphine; Prescribes naltrexone; Relapse prevention with naltrexone; Buprenorphine with naloxone; Buprenorphine without naloxone; Naltrexone (oral); Clonidine; Medication for mental disorders; Nicotine replacement; Cognitive behavioral therapy; Contingency management/motivational incentives; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Trauma-related counseling; 12-step facilitation; Department of Defense; Federal Government; The Joint Commission; Federal military insurance (e.g., TRICARE); Active duty military; Clients with co-occurring mental and substance use disorders; Clients who have experienced trauma; Comprehensive mental health assessment; Comprehensive substance use assessment; Complete medical history/physical exam; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Breathalyzer or blood alcohol testing; Drug and alcohol oral fluid testing; Drug or alcohol urine screening; Aftercare/continuing care; Discharge Planning; Naloxone and overdose education; Outcome follow-up after discharge; Self-help groups; Recovery coach; Mentoring/peer support; Medication routinely used during detoxification; HIV or AIDS education, counseling, or support; Health education services other than HIV/AIDS or hepatitis; Substance use disorder education; Smoking/vaping/tobacco cessation counseling; Individual counseling; Group counseling; Family counseling; Marital/couples counseling; Hepatitis A (HAV) vaccination; Hepatitis B (HBV) vaccination; Smoking not permitted; Adults; Young adults; Female; Male; Vaping not permitted; Acupuncture; Case management service; Mental health services; Social skills development