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papers

Do Adjusted Clinical Groups eliminate incentives for HMOs to avoid substance abusers? Evidence from the Maryland Medicaid HealthChoice program

Published: January 1, 2003
Category: Papers
Authors: Ettner SL, Johnson S
Country: United States
Language: null
Types: Care Management, Population Health
Settings: Academic, Hospital

J Behav Health Serv Res 30:63-77.

UCLA Department of Medicine, Division of General Internal Medicine & Health Services Research, Los Angeles, CA, USA

The adequacy of risk adjustment to eliminate incentives for managed care organizations (MCOs) to avoid enrolling costly patients had been questioned. This study explored systematic differences in expenditures between beneficiaries with and without substance disorders assigned to the same capitation rate group under the Maryland Medicaid HealthChoice program. The investigators used fiscal year (FY) 1995 to 1997 Medicaid data to assign beneficiaries to rate cells based on FY 1995 diagnoses and compared the distribution of expenditures for beneficiaries with and without substance disorders, defined using FY 1997 and FY 1995 diagnoses. Results showed that differences in FY 1997 expenditures between beneficiaries with and without FY 1995 substance disorders were negligible. However, MCOs could expect greater average losses and lower average profits on beneficiaries with FY 1997 substance disorders. Thus, the adjusted clinical groups methodology used to adjust capitation payments in the HealthChoice program attenuated, but did not eliminate, financial incentives for MCOs to avoid substance abusers.

PMID: 12633004

Targeted Program,Medical Conditions,Payment,Diagnostic Certainty,United States,Adolescent,Adult,Cohort Studies,Cost Control,Gender,Health Services Research,Maryland/epidemiology,Middle Aged,Refusal to Treat,Risk Adjustment,State Health Plans,Substance-Related Disorders/epidemiology,Substance-Related Disorders/rehabilitation

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