2025
ICD-10-CM
Diagnosis
Code

T40.491 Poisoning by other synthetic narcotics, accidental (unintentional)

Non-billable
2021–2025

T40.491 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Poisoning by other synthetic narcotics, accidental (unintentional).

Inclusion term

Poisoning by other synthetic narcotics NOS

Codes

T40.491A
Poisoning by other synthetic narcotics, accidental (unintentional), initial encounter
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T40.491D
Poisoning by other synthetic narcotics, accidental (unintentional), subsequent encounter
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T40.491S
Poisoning by other synthetic narcotics, accidental (unintentional), sequela
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Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
New code