Assessing the usability of MAX 2008 encounter data for enrollees in comprehensive managed care MAX Medicaid policy brief (Mathematica Policy Research) Byrd, Vivian L. H., author. Dodd, Allison Hedley, author. Malsberger, Rosalie, author. Zlatinov, Ashley, author. Databases as Topic -- statistics & numerical data Managed Care Programs -- statistics & numerical data Medicaid -- statistics & numerical data As growing numbers of Medicaid enrollees receive health benefits through comprehensive managed care, researchers and policymakers seeking to understand the service use of these enrollees must rely on encounter data that states receive from managed care plans. However, not all states report encounter data submitted by their plans into the Medicaid Statistical Information System (MSIS) and, until recently, little was known about the data's usability for research. In this issue brief, we report on the availability, completeness, and quality of encounter data for physician, clinic, and outpatient services for the first time and update a recent assessment of the inpatient and prescription drug files to judge the usability of the 2008 Medicaid Analytical eXtract (MAX) encounter data, which are derived from MSIS. Princeton, N.J. : Mathematica Policy Research, Inc., July 2012 Mathematica Policy Research, Inc. Technical Report Text Illustrations 1 online resource (1 PDF file (13 pages)) nlm:nlmuid-101592658-pdf 101592658 http://resource.nlm.nih.gov/101592658 English United States Reproduced with permission of the copyright holder. Further use of the material is subject to CC BY-NC-ND license. https://creativecommons.org/licenses/by-nc-nd/3.0