Z51.81 ICD 10 Code is a billable and specific code that can be used to indicate a diagnosis of Encounter for therapeutic drug level monitoring for reimbursement purposes. The 2023 edition of the American ICD-10-CM code became effective on October 1, 2022.

Type 1 excludes for Z51.81 ICD 10 code
  • encounter for blood-drug test for administrative or medicolegal reasons (Z02.83)

Possible back-references that may be applicable or related to Z51.81 ICD10 Code:

Present On Admission (POA Exempt)

Z51.81 ICD 10 code is considered exempt from POA reporting