2025
ICD-10-CM
Diagnosis
Code

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

  • Non-billable
  • 2016–2025

T44 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 drugs primarily affecting the autonomic nervous system.

Seventh character note

  • The appropriate 7th character is to be added to each code from category T44

Seventh character extensions

  • A: initial encounter

  • D: subsequent encounter

  • S: sequela

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code