Z91.1 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Patient's noncompliance with medical treatment and regimen.
Code also
If applicable, to identify underdosing of specific drug (T36-T50 with final character 6)
Type 2 excludes
Caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)
Codes
Z91.11
Patient's noncompliance with dietary regimen
Z91.12
Patient's intentional underdosing of medication regimen
Z91.13
Patient's unintentional underdosing of medication regimen
Z91.14
Patient's other noncompliance with medication regimen
Z91.15
Patient's noncompliance with renal dialysis
Z91.19
Patient's noncompliance with other medical treatment and regimen
Versions
2025
No changes
2024
No changes
2023
Code changed
Code also
- , if applicable, to identify underdosing of specific drug (T36-T50 with final character 6)
Type 2 excludes
- caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code