Circular 06/2026
Chapter XXII — Codes for special purposes
22 chapters · 15,844 codes · Quick search →
U00-U49 — Provisional assignment of new diseases of uncertain etiology or emergency use (U00-U49)
U04Severe acute respiratory syndrome [SARS]U07Emergency use of U07U08Personal history of COVID-19U09Post COVID-19 conditionU10Multisystem inflammatory syndrome associated with COVID-19U11Need for immunization against COVID-19U12COVID-19 vaccines causing adverse effects in therapeutic useU13Emergency use of U13U14Emergency use of U14U15Emergency use of U15U16Emergency use of U16U17Emergency use of U17U18Emergency use of U18U19Emergency use of U19U20Emergency use of U20U21Emergency use of U21U22Emergency use of U22U23Emergency use of U23U24Emergency use of U24U25Emergency use of U25U26Emergency use of U26U27Emergency use of U27U28Emergency use of U28U29Emergency use of U29U30Emergency use of U30U31Emergency use of U31U32Emergency use of U32U33Emergency use of U33U34Emergency use of U34U35Emergency use of U35U36Emergency use of U36U37Emergency use of U37U38Emergency use of U38U39Emergency use of U39U40Emergency use of U40U41Emergency use of U41U42Emergency use of U42U43Emergency use of U43U44Emergency use of U44U45Emergency use of U45U46Emergency use of U46U47Emergency use of U47U48Emergency use of U48U49Emergency use of U49