T44.0X3 Poisoning by anticholinesterase agents, assault

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Poisoning by anticholinesterase agents, assault is T44.0X3 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
T36-T50: Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Category T44
88 codes (66 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

T44 Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system

Related Codes in T44

T44 Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system T44.0 Poisoning by, adverse effect of and underdosing of anticholinesterase agents T44.0X Poisoning by, adverse effect of and underdosing of anticholinesterase agents T44.0X1 Poisoning by anticholinesterase agents, accidental (unintentional) T44.0X2 Poisoning by anticholinesterase agents, intentional self-harm T44.0X4 Poisoning by anticholinesterase agents, undetermined T44.0X5 Adverse effect of anticholinesterase agents T44.0X6 Underdosing of anticholinesterase agents T44.1 Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] T44.1X Poisoning by, adverse effect of and underdosing of other parasympathomimetics [cholinergics] T44.1X1 Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional) T44.1X2 Poisoning by other parasympathomimetics [cholinergics], intentional self-harm T44.1X3 Poisoning by other parasympathomimetics [cholinergics], assault T44.1X4 Poisoning by other parasympathomimetics [cholinergics], undetermined T44.1X5 Adverse effect of other parasympathomimetics [cholinergics] T44.1X6 Underdosing of other parasympathomimetics [cholinergics] T44.2 Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs T44.2X Poisoning by, adverse effect of and underdosing of ganglionic blocking drugs T44.2X1 Poisoning by ganglionic blocking drugs, accidental (unintentional) T44.2X2 Poisoning by ganglionic blocking drugs, intentional self-harm
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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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