Index Terms Starting With 'I' (Investigation)

  • Investigation Z04.9
    - see also Examination
    ICD-10-CM Diagnosis Code Z04.9

    Encounter for examination and observation for unspecified reason

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Encounter for observation NOS

    • clinical research subject Z00.6
      (control) (normal comparison) (participant)
      ICD-10-CM Diagnosis Code Z00.6

      Encounter for examination for normal comparison and control in clinical research program

        2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
      Applicable To
      • Examination of participant or control in clinical research program