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

Non-billable header with 5 child codes.

Applies from Z79 Long term (current) drug therapy

Includes

• long term (current) drug use for prophylactic purposes

Excludes2 (not included here)

• drug abuse and dependence (F11-F19)
• drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)

Code also

• any therapeutic drug level monitoring (Z51.81)

Applies from Z79.6 Long term (current) use of immunomodulators and immunosuppressants

Excludes2 (not included here)

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

Codes under Z79.63

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

Code annotations containing back-references to Z79.63

Back-references to Z79

• Code Also: Z51.81 Encounter for therapeutic drug level monitoring ("any long-term (current) drug therapy (Z79.-)")
• Type 2 Excludes: Z92.2 Personal history of drug therapy ("long term (current) drug therapy (Z79.-)")

Nearby codes

• Z79.620 Long term (current) use of immunosuppressive biologic
• Z79.621 Long term (current) use of calcineurin inhibitor
• Z79.622 Long term (current) use of Janus kinase inhibitor
• Z79.623 Long term (current) use of mammalian target of rapamycin (mTOR) inhibitor
• Z79.624 Long term (current) use of inhibitors of nucleotide synthesis
• Z79.63 Long term (current) use of chemotherapeutic agent (this code)
• Z79.630 Long term (current) use of alkylating agent
• Z79.631 Long term (current) use of antimetabolite agent
• Z79.632 Long term (current) use of antitumor antibiotic
• Z79.633 Long term (current) use of mitotic inhibitor
• Z79.634 Long term (current) use of topoisomerase inhibitor