Z91.A3
ICD-10-CMCaregiver's unintentional underdosing of patient's medication regimen
This code signifies a situation where a patient's prescribed medication regimen was not administered as intended due to an unintentional error or oversight by their caregiver, resulting in the patient receiving less than the prescribed dose. This underdosing is not due to patient non-compliance or a deliberate act by the caregiver, but rather an inadvertent mistake.
Apply this code when documentation clearly indicates that a caregiver (e.g., family member, home health aide) unintentionally administered an insufficient amount of a patient's medication. This could include scenarios where a dose was accidentally skipped, a partial dose was given, or the medication was administered incorrectly leading to reduced absorption, all without malicious intent.
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