T59.3X3 Toxic effect of lacrimogenic gas, assault

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Toxic effect of lacrimogenic gas, assault is T59.3X3 (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 T59
65 codes (44 billable)
FY2026 Status
Stable since FY2024

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

T59 Toxic effect of other gases, fumes and vapors

Related Codes in T59

T59 Toxic effect of other gases, fumes and vapors T59.0 Toxic effect of nitrogen oxides T59.0X Toxic effect of nitrogen oxides T59.0X1 Toxic effect of nitrogen oxides, accidental (unintentional) T59.0X2 Toxic effect of nitrogen oxides, intentional self-harm T59.0X3 Toxic effect of nitrogen oxides, assault T59.0X4 Toxic effect of nitrogen oxides, undetermined T59.1 Toxic effect of sulfur dioxide T59.1X Toxic effect of sulfur dioxide T59.1X1 Toxic effect of sulfur dioxide, accidental (unintentional) T59.1X2 Toxic effect of sulfur dioxide, intentional self-harm T59.1X3 Toxic effect of sulfur dioxide, assault T59.1X4 Toxic effect of sulfur dioxide, undetermined T59.2 Toxic effect of formaldehyde T59.2X Toxic effect of formaldehyde T59.2X1 Toxic effect of formaldehyde, accidental (unintentional) T59.2X2 Toxic effect of formaldehyde, intentional self-harm T59.2X3 Toxic effect of formaldehyde, assault T59.2X4 Toxic effect of formaldehyde, undetermined T59.3 Toxic effect of lacrimogenic gas
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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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