Ingenix Innovations Article: Implementing ICD-10 Coding System Will Require Preparation, Prompt Action
http://www.ingenix.com/thoughtleadership/innovations/093008

Shop Ingenix ICD-10 Corner
http://www.shopingenix.com/content/ICD10/

ICD-10
World Health Organization (WHO)
http://www.who.int/classifications/icd/en/

ICD-10-CM
National Center for Health Statistics (NCHS)
http://www.cdc.gov/nchs/about/otheract/icd9/abticd10.htm

ICD-10-PCS
Centers for Medicare & Medicaid Services (CMS)
http://www.cms.hhs.gov/ICD10/

HHS Proposed Rule for ICD-10 Adoption
http://edocket.access.gpo.gov/2008/pdf/E8-19298.pdf

HHS Final Rule for ICD-10 Adoption
http://edocket.access.gpo.gov/2009/pdf/E9-743.pdf

CMS 5010 and ICD-10 Final Rule Fact Sheet
Download the Fact Sheet

RAND Study: The Costs and Benefits of Moving to the ICD-10 Code Sets
http://www.rand.org/publications/TR/TR132/

Nolan Study: Replacing ICD-9-CM with ICD-10-CM and ICD-10-PCS
http://www.renolan.com/healthcare/icd10study_1003.pdf

AHIMA Field Study
http://www.ahima.org/icd10/documents/FinalStudy_000.pdf

AHIMA ICD-10 Web Page
http://www.ahima.org/icd10/