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Z79 Long term (current) drug therapy

ICD-10-CM category Z79 sits in Chapter 21 (Factors influencing health status and contact with health services, Z00-Z99). It contains 32 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

Z79.0 Long term (current) use of antocoag/antithrom/angiplateZ79.5 Long term (current) use of steroidsZ79.6 Long term (crnt) use of immunomodulator & immunosuppressantZ79.62 Long term (current) use of immunosuppressantZ79.63 Long term (current) use of chemotherapeutic agentZ79.8 Other long term (current) drug therapyZ79.81 Lng trm (crnt) use of agnt aff estrog recpt & estrog levelsZ79.89 Other long term (current) drug therapy

Billable codes in Z79

CodeDescription
Z79.01Long term (current) use of anticoagulants
Z79.02Long term (current) use of antithrombotics/antiplatelets
Z79.1Long term (current) use of non-steroidal anti-inflammatories (NSAID)
Z79.2Long term (current) use of antibiotics
Z79.3Long term (current) use of hormonal contraceptives
Z79.4Long term (current) use of insulin
Z79.51Long term (current) use of inhaled steroids
Z79.52Long term (current) use of systemic steroids
Z79.60Long term (current) use of unspecified immunomodulators and immunosuppressants
Z79.61Long term (current) use of immunomodulator
Z79.620Long term (current) use of immunosuppressive biologic
Z79.621Long term (current) use of calcineurin inhibitor
Z79.622Long term (current) use of Janus kinase inhibitor
Z79.623Long term (current) use of mammalian target of rapamycin (mTOR) inhibitor
Z79.624Long term (current) use of inhibitors of nucleotide synthesis
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
Z79.64Long term (current) use of myelosuppressive agent
Z79.69Long term (current) use of other immunomodulators and immunosuppressants
Z79.810Long term (current) use of selective estrogen receptor modulators (SERMs)
Z79.811Long term (current) use of aromatase inhibitors
Z79.818Long term (current) use of other agents affecting estrogen receptors and estrogen levels
Z79.82Long term (current) use of aspirin
Z79.83Long term (current) use of bisphosphonates
Z79.84Long term (current) use of oral hypoglycemic drugs
Z79.85Long-term (current) use of injectable non-insulin antidiabetic drugs
Z79.890Hormone replacement therapy
Z79.891Long term (current) use of opiate analgesic
Z79.899Other long term (current) drug therapy

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