2025
ICD-10-CM
Diagnosis
Code

T40.996A Underdosing of other psychodysleptics [hallucinogens], initial encounter

  • Billable
  • 2016–2025

T40.996A is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Underdosing of other psychodysleptics [hallucinogens], initial encounter.

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    Code changed

    • Description

        • Underdosing of other psychodysleptics, initial encounter
        • Underdosing of other psychodysleptics [hallucinogens], initial encounter
  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    No changes

  10. 2016

    New code