ICD-10-CM > S00-T88 > T80-T88 > T88 > T88.1 T88.1 Other complications following immunization, not elsewhere classified Non-Billable/Non-Specific Applicable To Generalized vacciniaRash following immunization Type 1 Excludes vaccinia not from vaccine (B08.011) Type 2 Excludes anaphylactic shock due to serum (T80.5-)other serum reactions (T80.6-)postimmunization arthropathy (M02.2)postimmunization encephalitis (G04.02)postimmunization fever (R50.83) Codes T88.1XXA..., initial encounterT88.1XXD..., subsequent encounterT88.1XXS..., sequela