ICD-10 Code F11.921 - Opioid use, unspecified with intoxication delirium

ICD-10-CM Diagnosis Code F11.921

Diagnosis Code: F11.921 (Raw: F11921)

Description: Opioid use, unspecified with intoxication delirium

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code F11.921 is designated for Opioid use, unspecified with intoxication delirium. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.