Is Z79.63 a billable code?
No. Z79.63 is a header code that groups 5 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Z79.63: Long term (current) use of chemotherapeutic agent
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Z79.63 groups related diagnoses under long term (current) use of chemotherapeutic agent. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Z79.63
- Z79.630Long term (current) use of alkylating agent
- Z79.631Long term (current) use of antimetabolite agent
- Z79.632Long term (current) use of antitumor antibiotic
- Z79.633Long term (current) use of mitotic inhibitor
- Z79.634Long term (current) use of topoisomerase inhibitor
Other codes in Z79.6 Long term (current) use of immunomodulators and immunosuppressants
- Z79.60Long term (current) use of unspecified immunomodulators and immunosuppressants
- Z79.61Long term (current) use of immunomodulator
- Z79.62Long term (current) use of immunosuppressantheader
- Z79.64Long term (current) use of myelosuppressive agent
- Z79.69Long term (current) use of other immunomodulators and immunosuppressants
Z79.63 questions
What does Z79.63 mean?
Z79.63 is the ICD-10-CM code for Long term (current) use of chemotherapeutic agent. It is in chapter 22, Factors influencing health status and contact with health services (Z00-Z99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.