Valid ICD-9 Code Sets
Been getting lots of questions lately on which ICD-9 code sets are valid for a particular payment year. CMS issued guidance on this in their 2009 Advance Notice.
“Starting with payment year 2009, RAPS will only accept valid ICD-9-CM codes for two fiscal years — the fiscal year that begins prior to the payment year and the fiscal year that begins during the payment year — for the CMS-HCC, ESRD, and RxHCC risk adjustment models. For example, for diagnoses codes to be used in 2009 final payment, i.e., for diagnoses from service dates between January 1, 2008 and December 31, 2008, RAPS will only accept codes that are valid for Fiscal Year 2008 and Fiscal Year 2009. (Please note that for the initial risk score run for payment year 2009, CMS will use valid diagnosis codes from FY 2007 and FY 2008 — services dates between July 1, 2007 and June 30, 2008.)”
Advance2009 PDF
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