2025
ICD-10-CM
Diagnosis
Code

Z91.A3 Caregiver's unintentional underdosing of patient's medication regimen

  • Billable
  • POA Exempt
  • 2023–2025

Z91.A3 is a billable/specific and POA-exempt diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Caregiver's unintentional underdosing of patient's medication regimen.

Code first

  • Underdosing of medication (T36-T50) with fifth or sixth character 6

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    New code