AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2026 Quarter 4; New/Revised ICD-10-CM Codes
Toxic Effect of Medetomidine
Subcategory T65.85 , Toxic effect of medetomidine, has been created with unique codes to identify medetomidine toxicity: T65.851 Toxic effect of medetomidine, accidental (unintentional) T65.852 Toxic effect of medetomidine, intentional self-harm T65.853 Toxic effect of medetomidine, assault T65.854 Toxic effect of medetomidine, undetermined The appropriate seventh character should be added to capture the episode of care. Medetomidine (also known as “rhino tranq”) is an alpha-2-agonist sedative medication used in veterinary medicine for sedation and pain relief. It is not approved for human use. Medetomidine is increasingly being detected mixed with illicitly produced fentanyl...
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Article Overview
The article discusses the creation of a medetomidine toxicity subcategory, its intent-related distinctions, and episode-of-care considerations. It also summarizes medetomidine’s veterinary use, its detection in illicit drug supplies, and health effects associated with human exposure.
Why This Topic Matters
The content is relevant to readers tracking coding updates and seeking background on the clinical concerns associated with medetomidine exposure.
What You Will Learn
- Which intent categories are represented in the new medetomidine toxicity codes.
- What episode-of-care considerations are mentioned.
- How medetomidine is used in veterinary medicine and the clinical context of human exposure.
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Who Should Read This
- Medical coders
- Healthcare documentation and billing professionals
- Clinicians and public health professionals interested in drug toxicity
Codes Discussed
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