Supplementary factors related to causes of morbidity classified elsewhere

Y90-Y99

This section covers 396 ICD-10-CM codes (Y90-Y99) for supplementary factors related to causes of morbidity classified elsewhere, including evidence of alcohol involvement determined by blood alcohol level, place of occurrence of the external cause, and activity codes. 334 of these are billable codes usable on a claim; the rest are non-billable header categories that require a more specific child code.