Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Residential/24-hour residential; Long-term residential; Does not treat alcohol use disorder; Does not treat opioid use disorders; Medication for mental disorders; Nicotine replacement; Private for-profit organization; State Substance use treatment agency; State mental health department; Hospital licensing authority; The Joint Commission; National Committee for Quality Assurance (NCQA); Medicare; Medicaid; Private health insurance; Cash or self-payment; Adolescents; Clients with co-occurring pain and substance use disorders; Comprehensive mental health assessment; Comprehensive substance use assessment; Outreach to persons in the community; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Drug or alcohol urine screening; TB screening; Discharge Planning; Self-help groups; Mentoring/peer support; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Vocational training or educational support (for example, high school coursework, GED preparation, etc.) ; Smoking not permitted; Adults; Children/adolescents; Young adults; Male; Vaping not permitted; Case management service; Mental health services; Social skills development; Transportation assistance