2025
ICD-10-CM
Diagnosis
Code

T42.8X Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants

Non-billable
2016–2025

T42.8X is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants.

Codes

T42.8X1
Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional)
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T42.8X2
Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm
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T42.8X3
Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault
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T42.8X4
Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined
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T42.8X5
Adverse effect of antiparkinsonism drugs and other central muscle-tone depressants
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T42.8X6
Underdosing of antiparkinsonism drugs and other central muscle-tone depressants
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Versions

2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code