They’re Here! CC and MCC List for ICD-10

February 3, 2012 2:27 PM        by     Alice Zentner

The Centers for Medicare and Medicaid Services (CMS) have released its list of complications and co-morbidities for ICD-10. Armed with the list, coders and CDI professionals can get busy identifying gaps in physician documentation and educating the medical staff.  Here are a few points to help get you started.

The list contains two parts. In the first part, 43 pages of CCs and MCCs are listed alphabetically. If the CC or MCC is allowed with all principal diagnosis, then the phrase Noexcl follows the CC/MCC indicator. Otherwise, a link is given to a collection of diagnosis codes which, when used as the principal diagnosis, will cause the CC or MCC to be considered as only a non-CC.

The second part lists only eight codes. These codes are assigned as a major CC only for patients discharged alive. Ironic that CMS doesn’t consider “death” a major complication. Their assumption is that if a patient dies, the hospital spent less money and should be reimbursed less. I am not sure how often that is the case!

The alphabetical presentation in List No. 1 can be problematic if you do not know which ICD-10 code you are looking for-as is the case for most of us at this stage in the game. There is some help with a ‘control F’ function to find codes within a particular page.

On initial review, it does not appear that CMS has added or deleted many CCs or MCCs. However, due to the specificity of ICD-10 codes and the large increase in the number of I-10 codes, the occurrence of individual codes that contain a CC or MCC has greatly increased. For example, one ICD-9 code with CCs may blossom out into 10 ICD-10 codes each having CCs.

Welcome to the world of ICD-10!


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