Z79: Long term (current) drug therapy

Codes under Z79 (Long term (current) drug therapy). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
Z79.0	Long term (current) use of anticoagulants and antithrombotics/antiplatelets	—
Z79.01	Long term (current) use of anticoagulants	✓
Z79.1	Long term (current) use of non-steroidal anti-inflammatories (NSAID)	✓
Z79.02	Long term (current) use of antithrombotics/antiplatelets	✓
Z79.2	Long term (current) use of antibiotics	✓
Z79.3	Long term (current) use of hormonal contraceptives	✓
Z79.4	Long term (current) use of insulin	✓
Z79.5	Long term (current) use of steroids	—
Z79.6	Long term (current) use of immunomodulators and immunosuppressants	—
Z79.8	Other long term (current) drug therapy	—
Z79.51	Long term (current) use of inhaled steroids	✓
Z79.52	Long term (current) use of systemic steroids	✓
Z79.60	Long term (current) use of unspecified immunomodulators and immunosuppressants	✓
Z79.61	Long term (current) use of immunomodulator	✓
Z79.62	Long term (current) use of immunosuppressant	—
Z79.63	Long term (current) use of chemotherapeutic agent	—
Z79.64	Long term (current) use of myelosuppressive agent	✓
Z79.69	Long term (current) use of other immunomodulators and immunosuppressants	✓
Z79.81	Long term (current) use of agents affecting estrogen receptors and estrogen levels	—
Z79.82	Long term (current) use of aspirin	✓
Z79.83	Long term (current) use of bisphosphonates	✓
Z79.84	Long term (current) use of oral hypoglycemic drugs	✓
Z79.85	Long-term (current) use of injectable non-insulin antidiabetic drugs	✓
Z79.89	Other long term (current) drug therapy	—
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	✓
Z79.630	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	✓
Z79.810	Long term (current) use of selective estrogen receptor modulators (SERMs)	✓
Z79.811	Long term (current) use of aromatase inhibitors	✓
Z79.818	Long term (current) use of other agents affecting estrogen receptors and estrogen levels	✓
Z79.890	Hormone replacement therapy	✓
Z79.891	Long term (current) use of opiate analgesic	✓
Z79.899	Other long term (current) drug therapy	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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