The importance of validating your case-mix index (CMI) from a coding perspective cannot be stressed enough, says Ruthann Russo, JD, MPH, RHIT, founder and chief executive officer of HP3 Healthcare Concepts, Inc., in Bethlehem, PA.
Every little change has the potential to have a dramatic effect on your CMI. For example, at one of HP3's audits, auditors tracked four coders who each had a change rate of no more than 1%. The change rate is the number of changes per coder over the number of records that they coded in a particular period.
"All of these coders look great. How much better can yo
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