This trend — which experts say will only be accelerated by the COVID-19 pandemic — began taking root decades ago. Avanza published a timeline of this progression toward a “right-sized” delivery model. Below are some highlights.
1966 — The American Medical Association promotes the virtues of outpatient surgery.
1970 — The nation’s first freestanding ASC opens in Phoenix.
1971 — The AMA endorses outpatient surgery under general and local anesthesia for select patients and procedures.
1973 — The American Society of Anesthesiologists issues ASC guidelines.
1974 — The Federal Ambulatory Surgery Association is formed.
1975 — The Joint Commission establishes its ambulatory care accreditation program.
1978 — There are 58 freestanding emergency departments in the country.
1979 —Two important organizations are formed: the Accreditation Association for Ambulatory Health Care and the American Association of Ambulatory Surgery Centers.
1981 — Ninety-three percent of outpatient surgeries are performed in hospital-owned facilities.
1982 — Medicare approves payment to ASCs for 200 procedures.
1985 — The Society for Ambulatory Anesthesia is founded.
1986 — The average stay in a U.S. hospital costs $2,789.
1987 — Medicare approves payment to ASCs for 1,535 procedures.
1988 — The number of accredited and operational ASCs surpasses 1,000.
1995 —Medicare approves payment to ASCs for more than 2,000 procedures.
2000 — As the average cost of a hospital stay for U.S. patients reaches $17,390, the Medicare Outpatient Prospective System is established.
2005 — Hospital-owned facilities perform 45 percent of all outpatient surgeries.
2007 — Nearly 4 in 10 hospital visits in the U.S. are to the emergency department.
2008 — FASA and AAASC merge to form the Ambulatory Surgery Center Association. There are now 284 freestanding emergency departments in the U.S.
2010 — The average cost of a U.S. hospital stay is $33,079. The Patient Protection and Affordable Care Act is signed into law.
2011 — Medicare approves payment to ASCs for more than 3,500 procedures. The number of accredited and operational ASCs surpasses 5,000.
2013 — Ambulatory care center visits are up 300 percent since 2003.
2015 — MedPAC recommends that CMS create a value-based purchasing program for ASCs by the end of 2016.
2016 — MedPAC reiterates its previous recommendation that ASCs be directed to share cost data with CMS. Blue Cross Blue Shield of America publishes a study showing the substantial savings achieved by shifting elective procedures from inpatient to outpatient settings. ASCs become included in bundled payments, integrated practice units and accountable care organizations.
2018 — Fifty-nine percent of hospitals have an affiliation with or ownership of an ASC.
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