I did a quick comparison of the ICD9s in the current  2010 Payment Year HCC-ICD9 crosswalk to the ICD9s mapped to the preliminary release of the 2011 CMS and found about 250 “newly added” ICD-9 codes that are not in previous models.  Again, this is a prelim release, so treat this file as an FYI that may change.  On tab 2 of the excel are the 100 or so ICD9s slated for deletion for PY2011.  Say goodbye to everyone’s favorite “412 Old Myocardial Infarction”.

2011_HCC_changed_ICD9s(PRELIM) XLS (excel)

3 Comments

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  By kives72, March 25, 2010 @ 1:21 PM

  April 5th is the date for this to go into affect correct? Will there be an update that day on your blog with the new codes? These codes once in affect are for dates of service now in 2010 paid in 2011?
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  By J. Matt Yuill, M.D., CPC, March 29, 2010 @ 9:54 AM

  Sure, I will add the final new codes as soon as CMS publishes them.

  So, as I understand it, the “new codes” will be extracted from Dates of service July 2009 to June 2010 to calculate the Prelim Jan 2011 payment rates, then Dates of Service Jan 1 to Dec 31 2010 will use the new codes to calculate final 2011 payment rates.
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  By ragnut, March 30, 2010 @ 1:29 PM

  3 added ICD9 codes include:
  331.2 senile degeneration of brain
  331.89 other cerebral degeneration
  331.9 cerebral degeneration, unspecified

  Matt, if a patient has some image of their brain with a reading to the effect of “normal age related atrophy,” does that qualify for one of these diagnoses?

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