Poisn by antiparkns drug/centr musc-tone depr, undet, subs

Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined, subsequent encounter

📋Clinical Description

This code signifies a poisoning event involving antiparkinsonism medications or other central muscle-tone depressants where the intent of the poisoning (e.g., accidental, intentional self-harm, assault) cannot be determined. The patient is receiving follow-up care for the sequelae or ongoing management of this poisoning.

🎯When to Use

Apply this code when a patient presents for subsequent treatment related to an undetermined poisoning by the specified drug classes. This includes follow-up appointments, monitoring for long-term effects, or ongoing management of complications arising from the initial poisoning. The "undetermined" nature indicates that the circumstances surrounding the poisoning are not definitively known or documented.

💡Coding Tips

This "D" encounter code is used after the initial treatment of the poisoning.
Ensure documentation clearly states the intent of the poisoning is unknown or undetermined.
Always code the specific drug involved if known, using additional codes from categories T36-T50.

AI-generated reference — verify against official guidelines

Code Hierarchy

▲T42.8X4Poisoning by antiparkns drug/centr muscle-tone depr, undet

T42.8X4D(current)

Crosswalks

V58.89ApproxICD-9

Same Category

T42Antiepileptic, sedative- hypnotic and antiparkinsonism drugs T42.0Hydantoin derivatives T42.0XHydantoin derivatives T42.0X1Poisoning by hydantoin derivatives, accidental T42.0X1APoisoning by hydantoin derivatives, accidental, init