MPA Research for AHRQ Published in Medical Decision Making • 03.04.09

In a follow up to an article in JAMA, MPA led research entitled Modifying ICD-9-CM coding of secondary diagnoses to improve risk-adjustment of inpatient mortality rates was published in the January-February 2009 issue of Medical Decision Making. The research finds that increasing the completeness and consistency of reporting a few secondary diagnosis codes for findings POA and merging claims data with numerical laboratory values improved risk adjustment of inpatient mortality rates. Expensive abstraction of additional clinical information from medical records resulted in little further improvement.

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