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How differences between ICD-9 and ICD-10 affect specialty practices

By: Nextech | September 19th, 2014

How differences between ICD-9 and ICD-10 affect specialty practices Blog Feature

The differences between ICD-9 and ICD-10 stem from the aims of the newer coding standard. Of particular interest to specialty practices, ICD-10 will much more adequately and accurately describe care and will serve much better for reimbursement purposes, for which ICD-9 was never intended. For ICD-10 to deliver these advantages, it must offer a much larger number of codes. ICD-9’s smaller format restricted its code capacity, which had simply hit its limit.

That’s why ICD-9 is being retired on October 1, 2015, in the transition to ICD-10, which affects coding for patients covered by any health insurance, not just Medicare or Medicaid. Specialty practices with insurance reimbursements need to focus only on ICD-10-CM, which is for all diagnosis coding, and can ignore hospital inpatient coding’s ICD-10-PCS.

The differences between ICD-9-CM and ICD-10-CM are as follows (from the CMS ICD-10 Implementation Guide for Small and Medium Practices):

ICD_10_CHART

 

Of these differences, it’s the dramatic increase in number of codes that poses the greatest transition challenge. Of the 14,000 ICD-9-CM codes:

  • Approximately one-fourth match ICD-10-CM codes exactly;
  • Nearly half map 1-to-1 but with slightly different diagnosis text; and
  • Nearly one quarter are unmapped.

An EMR that helps to automate the transition can take advantage of mapping characteristics to simplify the move to ICD-10, intelligently translating codes for the first two groups that comprise nearly 75 percent of ICD-9 codes and assisting with the remaining unmapped group by suggesting best matches.

Nextech is fully prepared, well ahead of the October 2015 ICD-10 transition, to assist its clients in these and additional ways to minimize disruption. Learn more about how Nextech is making the ICD-10 transition as seamless as possible.