ICD-10-CM Diagnosis Code (2025)
Official Description for T65.91
Toxic effect of unspecified substance, accidental (unintentional)
Coding Notes & Guidelines for T65.91
Poisoning NOS
Parent Code (Less Specific):
About ICD-10-CM Code T65.91 (Toxic effect of unspecified substance)
ICD-10-CM code T65.91 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T65.91 became effective on October 1, 2024.
This page provides detailed information about T65.91 - Toxic effect of unspecified substance, accidental (unintentional). It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Toxic effect of unspecified substance related to accidental.