Z91.13 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Patient's unintentional underdosing of medication regimen.
Code first
Underdosing of medication (T36-T50) with fifth or sixth character 6
Codes
Versions
2025
Code changed
Type 1 excludes
adverse effect of prescribed drug taken as directed- code to adverse effectpoisoning (overdose) -code to poisoning
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