ICD-10-CM > R00-R99 > R50-R69 > R50 > R50.2 R50.2 Drug induced fever Billable/Specific Copy Code Copy Description Use Additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) Type 1 Excludes postvaccination (postimmunization) fever (R50.83)