T65.844 Toxic effect of xylazine, undetermined

✓ Billable ICD-10-CM 2026
Open T65.844 in Web App →

The ICD-10-CM code for Toxic effect of xylazine, undetermined is T65.844 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
T51-T65: Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Category T65
84 codes (60 billable)
FY2026 Status
New code in FY2026

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

T65 Toxic effect of other and unspecified substances

Related Codes in T65

T65 Toxic effect of other and unspecified substances T65.0 Toxic effect of cyanides T65.0X Toxic effect of cyanides T65.0X1 Toxic effect of cyanides, accidental (unintentional) T65.0X2 Toxic effect of cyanides, intentional self-harm T65.0X3 Toxic effect of cyanides, assault T65.0X4 Toxic effect of cyanides, undetermined T65.1 Toxic effect of strychnine and its salts T65.1X Toxic effect of strychnine and its salts T65.1X1 Toxic effect of strychnine and its salts, accidental (unintentional) T65.1X2 Toxic effect of strychnine and its salts, intentional self-harm T65.1X3 Toxic effect of strychnine and its salts, assault T65.1X4 Toxic effect of strychnine and its salts, undetermined T65.2 Toxic effect of tobacco and nicotine T65.21 Toxic effect of chewing tobacco T65.211 Toxic effect of chewing tobacco, accidental (unintentional) T65.212 Toxic effect of chewing tobacco, intentional self-harm T65.213 Toxic effect of chewing tobacco, assault T65.214 Toxic effect of chewing tobacco, undetermined T65.22 Toxic effect of tobacco cigarettes
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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