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Additional Clarification to Chapter 17, Section 40, Regarding Processing of Drug Claims with the JW Modifier
This manual update is to clarify the use of the JW modifier when processing all drugs except Competitive Acquisition Program (CAP) drugs.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: March 14, 2008
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.