MCMCB Pro
Y90

Y90Evidence of alcohol involvement determined by blood alcohol level

Non-billable headerICD-10-CM

Y90 is a non-billable header ICD-10-CM code for evidence of alcohol involvement determined by blood alcohol level. It cannot be billed on its own: choose one of the more specific child codes below.

Code first

The underlying condition must be sequenced before this code.

  • any associated alcohol related disorders (F10)

Risk adjustment

Y90 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead Y90

10 child codes. Green means billable.

Questions about Y90

Is Y90 a billable ICD-10-CM code?
No. Y90 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Y90 sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.