Y90Header code — not billable
Evidence of alcohol involvement determined by blood alcohol level
Short description: Evidence of alcohol involv determined by blood alcohol level
- Chapter
- 20. External causes of morbidity
- Category
- Y90
- Effective date
- October 1, 2026
Related codes in category Y90
Y90.0Blood alcohol level of less than 20 mg/100 mlYesY90.1Blood alcohol level of 20-39 mg/100 mlYesY90.2Blood alcohol level of 40-59 mg/100 mlYesY90.3Blood alcohol level of 60-79 mg/100 mlYesY90.4Blood alcohol level of 80-99 mg/100 mlYesY90.5Blood alcohol level of 100-119 mg/100 mlYesY90.6Blood alcohol level of 120-199 mg/100 mlYesY90.7Blood alcohol level of 200-239 mg/100 mlYesY90.8Blood alcohol level of 240 mg/100 ml or moreYesY90.9Presence of alcohol in blood, level not specifiedYes
Frequently asked questions
What is ICD-10 code Y90?
Y90 is an ICD-10-CM diagnosis code for Evidence of alcohol involvement determined by blood alcohol level.
Is Y90 a billable code?
No. Y90 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is Y90 in?
Y90 falls under Chapter 20: External causes of morbidity.
When did Y90 become effective?
Y90 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Y90?
Y90 belongs to category Y90, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.