T48 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 agents primarily acting on smooth and skeletal muscles and the respiratory system.
Seventh character note
The appropriate 7th character is to be added to each code from category T48
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
T48.0
Poisoning by, adverse effect of and underdosing of oxytocic drugs
T48.1
Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]
T48.2
Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on muscles
T48.3
Poisoning by, adverse effect of and underdosing of antitussives
T48.4
Poisoning by, adverse effect of and underdosing of expectorants
T48.5
Poisoning by, adverse effect of and underdosing of other anti-common-cold drugs
T48.6
Poisoning by, adverse effect of and underdosing of antiasthmatics, not elsewhere classified
T48.9
Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily acting on the respiratory system
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