T50 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 diuretics and other and unspecified drugs, medicaments and biological substances.
Seventh character note
The appropriate 7th character is to be added to each code from category T50
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
T50.0
Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonists
T50.1
Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diuretics
T50.2
Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics
T50.3
Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents
T50.4
Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism
T50.5
Poisoning by, adverse effect of and underdosing of appetite depressants
T50.6
Poisoning by, adverse effect of and underdosing of antidotes and chelating agents
T50.7
Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonists
T50.8
Poisoning by, adverse effect of and underdosing of diagnostic agents
T50.A
Poisoning by, adverse effect of and underdosing of bacterial vaccines
T50.B
Poisoning by, adverse effect of and underdosing of viral vaccines
T50.Z
Poisoning by, adverse effect of and underdosing of other vaccines and biological substances
T50.9
Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances
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