ICD-10-CM > S00-T88 > T66-T78 > T78 > T78.1 > T78.12 > T78.121 > T78.121S T78.121S Other adverse food reaction due to egg with reactivity to baked egg, sequela Billable/Specific Copy Code Copy Description Type 1 Excludes Other adverse food reaction due to egg with tolerance to baked egg (T78.120)