By Dr. Steve LaTulippe, America Out Loud - WHO (will require) International Classification of Disease (ICD) billing code (Z28.310)... to inform the government and your insurer of your Covid vaccine status. The code will be required, no doubt, to receive full reimbursement for any medical services rendered... The government has declared your vaccine status to be a publicized disease classification. That means they are labeling you “anti-vaxxed,” with all its negative connotations.