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Z79.63

⚠ Non-billable (Header)

Long term (current) use of chemotherapeutic agent

Factors influencing health status and contact with health services (Z00-Z99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

inherited from Z79.6

Rules from parent category Z79.6: Long term (current) use of immunomodulators and immunosuppressants

  • • long term (current) use of steroids (Z79.5-)
  • • long term (current) use of agents affecting estrogen receptors and estrogen levels (Z79.81-)

Child Codes (5)

Z79.630Long term (current) use of alkylating agentZ79.631Long term (current) use of antimetabolite agentZ79.632Long term (current) use of antitumor antibioticZ79.633Long term (current) use of mitotic inhibitorZ79.634Long term (current) use of topoisomerase inhibitor

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Code Information

CodeZ79.63
BillableNo — Header code
ParentZ79.6
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes10 rule(s)
Excludes22 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)