ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 18 R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified /
R50-R69 General symptoms and signs /
R50 Fever of other and unknown origin
Billable ICD-10-CM Code R50.2
R50.2
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Drug induced fever 
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useAdditionalCode
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code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
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excludes1
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postvaccination (postimmunization) fever (R50.83) |
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