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CMS Manual System Pub 100-04 Medicare Claims Processing, Transmittal 1480

Guidance for the address of the CMS website where the additions and deletions to the ZIP codes requiring a plus four ZIP code extension are posted.

Download the Guidance Document

Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: March 21, 2008

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DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.