HOSPITALINPATIENTSERVICES99221-99223InitialhospitalcareThreekeycomponents Theinitialhospitalcarecodesareusedtoreportthefirsthospitalinpatientencounterbytheadmittingphysician.Otherphysicianswhotreatthepatientduringtheirhospitalstaywilluseeithertheconsultationcodesorsubsequenthospitalcarecodes. HOSPITALINPATIENTSERVICES99231-99233Subs...