U00-U49
Provisional assignment of new diseases of uncertain etiology or emergency use
Provisional assignment of new diseases of uncertain etiology or emergency use (U00-U49) is a block within ICD-10-CM Chapter 22: Codes for special purposes. It holds 2 categories.
Categories in U00-U49
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.