Disability rights laws, including the ADA and Section 504, generally require treatment programs to give people with disabilities an equal opportunity to take part in and benefit from services, with limited exceptions. SAMHSA's advisory notes that clients often do not know that programs have the ability, and often the legal responsibility, to meet physical, communication and program access needs, so they do not ask. It recommends that front-line staff tell every potential client at first contact that the program can meet a range of access needs, give examples and act on requests. It also recommends a client pathway analysis: walking through the program from the perspective of people with different disabilities, with help from people with disabilities and groups such as Centers for Independent Living.
The law has some nuances. SAMHSA notes that a history of opioid use disorder is generally considered a disability, that some protections do not apply to a person currently using drugs illegally in certain situations, and that people with serious mental illness are protected. It also notes that programs may violate the law if they exclude people who take FDA-approved medications for opioid use disorder as prescribed. Those are legal questions. If a person may have been turned away because of a disability or a medication, route it to your supervisor, legal counsel or the appropriate civil rights office rather than deciding it yourself.
In Minnesota, the usual starting point for publicly funded treatment is a comprehensive assessment, which looks at a person's substance use and needs and informs the level of care, using the ASAM criteria that providers certify against. The DHS provider manual notes that a licensed program can begin services before the comprehensive assessment is finished, as long as the assessment is completed within the timeframe in chapter 245G. Covered services include outpatient and residential treatment, withdrawal management, treatment coordination and peer recovery support. People with Medical Assistance or MinnesotaCare use those programs. People without that coverage may qualify for the Behavioral Health Fund, with financial and clinical eligibility determined by their county or Tribe.
Rules and access points change, so check current DHS information or ask your county or Tribal substance use disorder contact before advising. Your most useful role is practical: help the person find a program, raise access needs at the first call, and stay involved so their disability supports and treatment work together.