Inclusion Criteria:  Adult patients, 18 years of age and older. Present to one of the participating hospitals. Have a chief complaint of one of the target diagnoses. Are within a certain geographical area (based on zip codes). Have a health insurance plan that covers ACH services. Have the capacity to consent or could assent with the consent of a health care proxy who is physically present.  Exclusion Criteria:  The patient is not suitable for ACH or inpatient hospital care based on:  being a nursing home patient; on or requiring dialysis; positive for COVID-19; having discharge order; requiring intensive care unit (ICU) level of care; history of drug abuse. Patients will also need to meet the clinical stability criteria. Do not have the capacity to consent or assent with the assistance of a health care proxy.