Medical Documentation Signature Requirements https://med.noridianmedicare.com/web/jea/cert-reviews/signature-requirements The link for the webpage takes you to medical documentation signature requirements. These are provided by CMS via CMS Change Request (CR)9225, CR9332, CMS Internet Only Manual (IOM), Publication 100-08, Medicare Program Integrity Manual, Chapter 3, Section 3.3.2.4 [If the link isn’t working cut and paste the name of the manual into your browser.] Further down the page you will find information about Signature for Amendments Disclaimer: This guidance is to be used for an easy reference; the ICD-9-CM and ICD-10-CM code books and the Official Guidelines for Coding and Reporting are the authoritative references for accurate and complete coding. This blog may contain references or links to statutes, regulations, or other policy materials. It is not intended to take the place of either the written law or regulations.