OASIS-C1 to OASIS-C1/ICD-9 version by changed item

Effective Jun 19, 2014

Published Jun 19, 2014

Last Reviewed Jun 19, 2014

This document lists changes CMS has made to the OAISS-C1 to create its’ OASIS-C1/ICD-9 version and states the reasons for changing coding items to allow for ICD-9 codes.

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