General medical and pharmacy claims expenditures in users of behavioral health services

Roger G. Kathol, Donna McAlpine, Yasuhiro Kishi, Robert Spies, William Meller, Terence Bernhardt, Steven Eisenberg, Keith Folkert, William Gold

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

OBJECTIVE: To quantify the magnitude of general medical and/or pharmacy claims expenditures for individuals who use behavioral health services and to assess future claims when behavioral service use persists. DESIGN: Retrospective cost trends and 24-month cohort analyses. SETTEVG: A Midwest health plan. PARTICIPANTS: Over 250,000 health plan enrollees during 2000 and 2001. MEASUREMENTS: Claims expenditures for behavioral health services, general medical services, and prescription medications. MAIN RESULTS: Just over one tenth of enrollees (10.7%) in 2001 had at least 1 behavioral health claim and accounted for 21.4% of total general medical, behavioral health, and pharmacy claims expenditures. Costs for enrollees who used behavioral health services were double that for enrollees who did not use such services. Almost 80% of health care costs were for general medical services and medications, two thirds of which were not psychotropics. Total claims expenditures in enrollees with claims for both substance use and mental disorders in 2000 were 4 times that of those with general medical and/or pharmacy claims only. These expenditures returned to within 15% of nonbehavioral health service user levels in 2001 when clinical need for behavioral health services was no longer required but increased by another 37% between 2000 and 2001 when both chemical dependence and mental health service needs persisted. CONCLUSIONS: The majority of total claims expenditures in patients who utilize behavioral health services are for medical, not behavioral, health benefits. Continued service use is associated with persistently elevated total general medical and pharmacy care costs. These findings call for studies that better delineate: 1) the interaction of general medical, pharmacy, and behavioral health service use and 2) clinical and/ or administrative approaches that reverse the high use of general medical resources in behavioral health patients.

Original languageEnglish (US)
Pages (from-to)160-167
Number of pages8
JournalJournal of general internal medicine
Volume20
Issue number2
DOIs
StatePublished - Feb 2005

Keywords

  • Cost outcomes
  • Integrated care
  • Managed behavioral health
  • Managed care expenditures
  • Mental health

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