• Michelle R Xu, Amanda M B Kelly, Lawrence H Kushi, Mary E Reed, Howard K Koh, and Donna Spiegelman.
• Georgetown University School of Medicine, Washington, District of Columbia. Electronic address: mrx2@georgetown.edu.
• Am J Prev Med. 2020 Apr 1; 58 (4): 596-603.

ContextThe Patient Protection and Affordable Care Act increases healthcare access and includes provisions that directly impact access to and cost of evidence-based colorectal cancer screening. The Affordable Care Act's removal of cost sharing for colorectal cancer screening as well as Medicaid expansion have been hypothesized to increase screening and improve other health outcomes. However, since its passage in 2010, there is little consensus on the Affordable Care Act's impact.Evidence AcquisitionData from March 2010 to June 2019 were reviewed and 21 relevant studies were identified; 19 studies examined colorectal cancer screening with most finding increased screening rates.Evidence SynthesisEleven studies found significant increases, 5 found nonsignificant increases, 3 found nonsignificant decreases, and 1 study found a significant decrease in colorectal cancer screening. Three studies examined the impact on colorectal cancer incidence and stage of diagnosis, where a significant 2.4% increase in early diagnosis was found in one and a nonsignificant increase in incidence in another. However, survival improved after Medicaid expansion.ConclusionsFree preventive colorectal cancer screening and Medicaid expansion because of passage of the Affordable Care Act have been, in general, positively associated with modest improvements in screening rates across the country. Future studies are needed that investigate the longer-term impact of the Affordable Care Act on colorectal cancer morbidity and mortality rates, as screening is only the first step in treatment of cancerous and precancerous lesions, preventing them from progressing. Moreover, more studies examining subpopulations are needed to better assess where gaps in care remain.Copyright © 2020 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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