Y90 – Evidence of alcohol involvement determined by blood alcohol level

ICD-10-CM 2027 diagnosis code · Supplementary factors related to causes of morbidity classified elsewhere

Non-billable header

ICD-10-CM code Y90

Code: Y90 (claims format: Y90)
Description: Evidence of alcohol involvement determined by blood alcohol level
Short description: Evidence of alcohol involv determined by blood alcohol level
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 20. External causes of morbidity (V00-Y99)
Block: Y90-Y99 Supplementary factors related to causes of morbidity classified elsewhere

Billable codes under Y90

Y90 is a header code and cannot be used on claims. Choose the most specific code:

Y90.0 – Blood alcohol level of less than 20 mg/100 mlBillable
Y90.1 – Blood alcohol level of 20-39 mg/100 mlBillable
Y90.2 – Blood alcohol level of 40-59 mg/100 mlBillable
Y90.3 – Blood alcohol level of 60-79 mg/100 mlBillable
Y90.4 – Blood alcohol level of 80-99 mg/100 mlBillable
Y90.5 – Blood alcohol level of 100-119 mg/100 mlBillable
Y90.6 – Blood alcohol level of 120-199 mg/100 mlBillable
Y90.7 – Blood alcohol level of 200-239 mg/100 mlBillable
Y90.8 – Blood alcohol level of 240 mg/100 ml or moreBillable
Y90.9 – Presence of alcohol in blood, level not specifiedBillable

Notes for Y90

Code first:

any associated alcohol related disorders (F10)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block Y90-Y99

Notes:

These categories may be used to provide supplementary information concerning causes of morbidity. They are not to be used for single-condition coding.

Frequently asked questions

What is ICD-10 code Y90?

Y90 is the ICD-10-CM code for evidence of alcohol involvement determined by blood alcohol level, in the block Y90-Y99 (Supplementary factors related to causes of morbidity classified elsewhere).

Is Y90 a billable code?

No. Y90 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.