ICD-10-CM > Z00-Z99 > Z20-Z29 > Z29 > Z29.1 Z29.1 Encounter for prophylactic immunotherapy Non-Billable/Non-Specific Applicable To Encounter for administration of immunoglobulin Codes Z29.11Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV)Z29.12Encounter for prophylactic antiveninZ29.13Encounter for prophylactic Rho(D) immune globulinZ29.14Encounter for prophylactic rabies immune globin