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  6. 2026 ICD-10-CM Code T65.84

2026 ICD-10-CM Diagnosis Code T65.84

Toxic effect of xylazine

ICD-10-CM Code:
T65.84
ICD-10 Code for:
Toxic effect of xylazine
Is Billable?
Not Valid for Submission
Code Navigator:

T65.84 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of toxic effect of xylazine. The code is not specific and is NOT valid for the year 2026 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Toxic effect of xylazine

Non-specific codes like T65.84 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for toxic effect of xylazine:

  • T65.841 for Toxic effect of xylazine, accidental (unintentional) - NON-BILLABLE CODE

  • Use T65.841A for initial encounter - BILLABLE CODE

  • Use T65.841D for subsequent encounter - BILLABLE CODE

  • Use T65.841S for sequela - BILLABLE CODE

  • T65.842 for Toxic effect of xylazine, intentional self-harm - NON-BILLABLE CODE

  • Use T65.842A for initial encounter - BILLABLE CODE

  • Use T65.842D for subsequent encounter - BILLABLE CODE

  • Use T65.842S for sequela - BILLABLE CODE

  • T65.843 for Toxic effect of xylazine, assault - NON-BILLABLE CODE

  • Use T65.843A for initial encounter - BILLABLE CODE

  • Use T65.843D for subsequent encounter - BILLABLE CODE

  • Use T65.843S for sequela - BILLABLE CODE

  • T65.844 for Toxic effect of xylazine, undetermined - NON-BILLABLE CODE

  • Use T65.844A for initial encounter - BILLABLE CODE

  • Use T65.844D for subsequent encounter - BILLABLE CODE

  • Use T65.844S for sequela - BILLABLE CODE

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    S00–T88
    • Toxic effects of substances chiefly nonmedicinal as to source
      T51-T65
      • Toxic effect of other and unspecified substances
        T65

Coding Guidelines

The appropriate 7th character is to be added to each code from block Toxic effect of other and unspecified substances (T65). Use the following options for the aplicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Use Additional Code

Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
  • code(s) for all associated manifestations, such as:
  • cellulitis and acute lymphangitis L03
  • cutaneous abscess, furuncle and carbuncle L02
  • non-pressure chronic ulcer of lower limb, not elsewhere classified L97
  • non-pressure chronic ulcer of skin, not elsewhere classified L98.4

Code History

  • FY 2026 - No Change, effective from 10/1/2025 through 9/30/2026