Heads up, durable medical equipment suppliers. The Centers for Medicare & Medicaid Services has updated its list of "K" codes for wheelchair cushions. In a May 14 program transmittal (change request 3289), CMS lists the 20 new codes (K0650-K0669) and descriptors, which will go into effect July 1. In other recent program transmittals, CMS: To see the transmittals, go to http://www.cms.hhs.gov/manuals/transmittals/comm_date_dsc.asp.