Z51.81 - Encounter for therapeutic drug level monitoring
- Applicable to Encounter for therapeutic drug level monitoring
- The 2025 edition of ICD10-CM Z51.81 became effective on October 1, 2024.
- This is the American ICD10-CM version of Z51.81 - other international versions of ICD10 Z51.81 may differ.
- Z51.81 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Type 1 Excludes
- encounter for blood-drug test for administrative or medicolegal reasons (Z02.83)
codeAlso
- any long-term (current) drug therapy (Z79.-)
The following codes above Z51.81 contain annotation back-references that may be applicable to Z51.81:
Chapter: Z00-Z99 Factors influencing health status and contact with health services
Section: Z40-Z53 Encounters for other specific health care
Category: Z51 Encounter for other aftercare and medical care
Billable/Specific Code
Browse other similar CM codes
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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