Y90-Y99
Supplementary factors related to causes of morbidity classified elsewhere
Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99) is a block within ICD-10-CM Chapter 20: External causes of morbidity. It holds 5 categories.
Notes
- These categories may be used to provide supplementary information concerning causes of morbidity. They are not to be used for single-condition coding.
Categories in Y90-Y99
- Y90Evidence of alcohol involv determined by blood alcohol levelcategory
- Y92Place of occurrence of the external causecategory
- Y93Activity codescategory
- Y95Nosocomial condition
- Y99External cause statuscategory
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.