ICD-10-CM code "Z51.81": Encounter for therapeutic drug level monitoring (2024)

Overview

ICD-10 CodeZ51.81
DescriptionEncounter for therapeutic drug level monitoring
Hierarchy
  1. Factors influencing health status and contact with health services (Z00-Z99)
  2. Encounters for other specific health care (Z40-Z53)
  3. Encounter for other aftercare and medical care (Z51)
  4. Encounter for other specified aftercare (Z51.8)
  5. Encounter for therapeutic drug level monitoring (Z51.81)
Billable statusICD-10-CM Billable code

Excludes

  1. Factors influencing health status and contact with health services (Z00-Z99)
  2. Encounters for other specific health care (Z40-Z53)

    Type 2follow-up examination for medical surveillance after treatment (Z08-Z09)

  3. Encounter for other aftercare and medical care (Z51)

    Type 1follow-up examination after treatment (Z08-Z09)

  4. Encounter for other specified aftercare (Z51.8)

    Type 1holiday relief care (Z75.5)

  5. Encounter for therapeutic drug level monitoring (Z51.81)

    Type 1encounter for blood-drug test for administrative or medicolegal reasons (Z02.83)

Includes

  1. Factors influencing health status and contact with health services (Z00-Z99)
  2. Encounters for other specific health care (Z40-Z53)
  3. Encounter for other aftercare and medical care (Z51)
  4. Encounter for other specified aftercare (Z51.8)
  5. Encounter for therapeutic drug level monitoring (Z51.81)