Z91.1 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Patient's noncompliance with medical treatment and regimen.
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If applicable, to identify underdosing of specific drug (T36-T50 with final character 6)
Caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)
Patient's noncompliance with dietary regimen
Patient's intentional underdosing of medication regimen
Patient's unintentional underdosing of medication regimen
Patient's other noncompliance with medication regimen
Patient's noncompliance with renal dialysis
Patient's noncompliance with other medical treatment and regimen
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