Update to the Internet Only Manual (IOM) Publication (Pub.) 100-04 Chapter 3, Inpatient Hospital Billing, Section 20.2.1
The purpose of this Change Request (CR) is to update Chapter 3, Inpatient Hospital Billing, Section 20.2.1 with updated hyper links to the updated International Classification of Diseases, Nineth Revision, Clinical Modification (ICD-9-CM) and ICD-10-CM websites. This CR also updated the MS-DRG Classifications-and-Software hyper link to correct the page not found error.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: March 13, 2025
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