Provisional assignment of new diseases of uncertain etiology or emergency use

U00-U49

This section covers 5 ICD-10-CM codes (U00-U49) for provisional assignment of new diseases of uncertain etiology or emergency use, including emergency use of U07 and post COVID-19 condition. 3 of these are billable codes usable on a claim; the rest are non-billable header categories that require a more specific child code.