This just went into effect April 1, 2022.
CMS released seven additional new procedure codes related to the introduction or infusion of therapeutics, including vaccines for COVID-19 treatments.
COVID jabs are now lumped together with Fostamatinib injections which are used to treat chronic immune thrombocytopenia
Which is another side effect of the jabs.
"Vaccine-induced immune thrombocytopenia and thrombosis (VITT) is a new syndrome associated with the ChAdOx1 nCoV-19 adenoviral vector vaccine against severe acute respiratory syndrome coronavirus 2"
https://www.hiacode.com/education/covid-vaccine-codes/