Tsugawa, Yusuke, Figueroa, Jose F., Papanicolas, Irene 
ORCID: 0000-0002-8000-3185, Orav, E. John and Jha, Ashish K.
(2019)
Assessment of strategies for managing expansion of diagnosis coding using risk-adjustment methods for medicare data.
Journal of American Medical Association: Internal Medicine, 179 (9).
pp. 1287-1290.
ISSN 2168-6106
Abstract
Since the passage of the Affordable Care Act (ACA) in 2010, many studies have used national Medicare data to examine associations between national hospital pay-for-performance programs and quality and costs of care. In January 2011, as the ACA was being implemented, the Centers for Medicare & Medicaid Services increased the number of available diagnosis billing codes from a maximum of 9 diagnosis codes (the primary diagnosis plus 8 comorbidities; a tenth code was reserved for coding external causes of injury and usually left blank) to 25 diagnosis codes (the primary diagnosis plus 24 comorbidities).
| Item Type: | Article |
|---|---|
| Official URL: | https://jamanetwork.com/journals/jamainternalmedic... |
| Additional Information: | © 2019 American Medical Association |
| Divisions: | Health Policy |
| Subjects: | R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine |
| Date Deposited: | 18 Jul 2019 11:24 |
| Last Modified: | 13 Oct 2025 23:43 |
| URI: | http://eprints.lse.ac.uk/id/eprint/101185 |
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