Previously, the Medicare Claims Processing Manual contained no specific instructions regarding claims processing for IDTFs. To remedy this, CMS directed that information from the Program Integrity Manual, Chapter 10, regarding IDTF claims processing, be excerpted and added to the Medicare Claims Processing Manual. The changes became effective June 16. However, the new IDTF chapter does not necessarily mean your claims processing process will need to change, says William A. Sarraille, Esq., a partner at Sidley Austin, LLP, in Washington, DC. Let's examine the claims processing requirements now contained in Chapter 35 of the Medicare Claims Processing Manual, as outlined by CMS.