January 2019
Effective April 1, 2019, the provider taxonomy code must be submitted on all claims. Reported as already effective in the historical source, Medicare Advantage claims for out-of-network payments require the Health Trio referral number in box 23 of the CMS-1500 form. January 2019 CPT and HCPCS code changes are effective January 1, 2019, and the code lists carry coverage designations such as Subject to Medical Review, Not Medically Necessary, Not Separately Reimbursed and Not Covered.