August 1, 2005

Effective for dates of service on or after November 1, 2005, providers billing for respiratory care services, hearing aids or select procedures in combination with specific modifiers (-YQ, -YS, -ZK, -ZU and -ZV) must follow new billing instructions. The details of these billing changes will be published in a future Medi-Cal Update. A Comment Forum about the proposed billing modifier changes will be held from September 1 through September 30, 2005.