ICD-10-CM > S00-T88 > T66-T78 > T78 > T78.1 > T78.12 > T78.129 T78.129 Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified Non-Billable/Non-Specific Codes T78.129A..., initial encounterT78.129D..., subsequent encounterT78.129S..., sequela