MCMCB Pro
F10.121

F10.121Alcohol abuse with intoxication delirium

Billable / specific codeICD-10-CM

F10.121 is a billable, specific ICD-10-CM code for alcohol abuse with intoxication delirium. It is valid for submission on a claim.

Risk adjustment

F10.121 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.

Medicare coverage

F10.121 is named in 18 Medicare coverage policies 16 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A59718Billing and Coding: Opioid Treatment Programsnot covered
  • A56612Billing and Coding: CT of the Head
  • A56614Billing and Coding: Psychiatric Inpatient Hospitalization

How F10.121 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F10.121.

  • Alcohol, alcoholic, alcohol-induceddeliriumabusewith intoxication
  • Alcohol, alcoholic, alcohol-inducedintoxicationwithdelirium
  • Abusealcoholwithintoxicationwith delirium
  • Alcohol, alcoholic, alcohol-induceddeliriumwith intoxicationinabuse
  • Delirium, deliriousalcoholicwith intoxicationinabuse
  • Delirium, deliriousdue toalcoholintoxicationinabuse
  • Disorderalcohol usemildwithalcohol intoxicationdelirium

Related codes at this level

Codes that share F10.12. If F10.121 is not quite right, the correct code is usually one of these.

Questions about F10.121

Is F10.121 a billable ICD-10-CM code?
Yes. F10.121 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does F10.121 sit in the tabular list?
Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mental and behavioral disorders due to psychoactive substance use (F10-F19).
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.