2025 ICD-10-CM Diagnosis Code Z09

by

Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

  • Z09 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Encntr for f/u exam aft trtmt for cond oth than malig neoplm
  • The 2025 edition of ICD-10-CM Z09 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of Z09 – other international versions of ICD-10 Z09 may differ.

Applicable To

  • Medical surveillance following completed treatment

Use Additional

  • code to identify any applicable history of disease code (Z86.-, Z87.-)

Type 1 Excludes

  • aftercare following medical care (Z43-Z49, Z51)
  • surveillance of contraception (Z30.4-)
  • surveillance of prosthetic and other medical devices (Z44-Z46)

The following code(s) above Z09 contain annotation back-references

 that may be applicable to Z09:

  • Z00-Z99  Factors influencing health status and contact with health services
  • Z00-Z13  Persons encountering health services for examinations

Approximate Synonyms

  • Follow up after surgical procedure
  • Follow up exam
  • Follow up exam after completing treatment
  • Follow up exam after completion of non-cancer treatment done
  • Follow up exam after completion of treatment done
  • Isoniazid (inh) treatment completed after positive ppd (tb skin test)
  • Isoniazid treatment after positive ppd done
  • Surgery follow-up done

Present On Admission

  • Z09 is considered exempt from POA reporting.

ICD-10-CM Z09 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 951 Other factors influencing health status

Convert Z09 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to Z09:

Diagnosis Index entries containing back-references to Z09:

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