Does payer type — commercial insurance or Medicare — affect the use of low-value care?

By a News Reporter-Staff News Editor at Managed Care Weekly Digest -- In a first-of-its-kind national study, researchers from The Dartmouth Institute for Health Policy and Clinical Practice examined the connection between payer type and low-value care to determine what effect insurance design (commercial insurance vs. Medicare) may have on medical overuse and waste. For most providers and services, the profit margins for delivering care to commercially insured patients are higher so the incentives to recommend services are stronger (all else being equal). However, in a paper recently published in Health Services Research, the researchers speculated that overuse may be more prevalent in the older Medicare population as this group has more contact with the health care system (see also Medicare and Medicaid).

To better understand the association between reimbursement and the use of low-value care, the researchers compared the use of seven medical services identified as low-value services by the Choosing Wisely initiative: early imaging for back pain, Vitamin D screening, cervical cancer screening over age 65, prescription opioid use for migraines, cardiac testing in asymptomatic patients, short-interval repeat bone densitometry (DXA), pre-operative carding testing for low-risk surgery, and a composite of these. Launched by the American Board of Internal Medicine (ABIM) in 2012, the aim of the Choosing Wisely initiative is to improve health care quality and identify low-value care (the provision of a service that has little or no clinical benefit, or one that carries a risk of harm that outweighs its potential benefits).

The research team used claims data from the Health Care Cost Institute (HCCI) as well as Medicare administrative data from 2009-2011 and compared the data at both the national and Hospital Referral Region (HRR) level.

Among their key findings:

In light of their finding that the use of low-value does not appear tied to payer type, the researchers state that provider systems are likely "better equipped" than payers to identify locally acceptable versions of the Choosing Wisely recommendations and to leverage available resources to bring about "meaningful practice changes."

To read the full study: http://onlinelibrary.wiley.com/doi/10.1111/1475-6773.12665/full

Keywords for this news article include: Legislation, Medicare and Medicaid, The Dartmouth Institute for Health Policy & Clinical Practice.

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