Z79.63 - Long term (current) use of chemotherapeutic agent

Version 2023
ICD-10:Z79.63
Short Description:Long term (current) use of chemotherapeutic agent
Long Description:Long term (current) use of chemotherapeutic agent
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Factors influencing health status and contact with health services (Z00–Z99)
    • Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
      • Long term drug therapy (Z79) (current)

Z79.63 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of long term (current) use of chemotherapeutic agent. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Long term (current) use of chemotherapeutic agent

Non-specific codes like Z79.63 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for long term (current) use of chemotherapeutic agent:

  • BILLABLE CODE - Use Z79.630 for Long term (current) use of alkylating agent
  • BILLABLE CODE - Use Z79.631 for Long term (current) use of antimetabolite agent
  • BILLABLE CODE - Use Z79.632 for Long term (current) use of antitumor antibiotic
  • BILLABLE CODE - Use Z79.633 for Long term (current) use of mitotic inhibitor
  • BILLABLE CODE - Use Z79.634 for Long term (current) use of topoisomerase inhibitor

New 2023 ICD-10 Code

Z79.63 is new to ICD-10 code set for the FY 2023, effective October 1, 2022. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2022. This is a new and revised code for the FY 2023 (October 1, 2022 - September 30, 2023).

Code History