ICD-10 Code T45.91XA - Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), initial encounter

ICD-10-CM Diagnosis Code T45.91XA

Diagnosis Code: T45.91XA (Raw: T4591XA)

Description: Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), initial encounter

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 T45.91XA is designated for Poisoning by unspecified primarily systemic and hematological agent, accidental (unintentional), initial encounter. 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.