Code also any follow-up examination (Z08-Z09)

  1. Z79 Long term (current) drug therapy

    Includes:

    • long term (current) drug use for prophylactic purposes

    Excludes2

    • drug abuse and dependence (F11-F19)
    • drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)
    1. Z79.0 Long term (current) use of anticoagulants and antithrombotics/antiplatelets

      1. Z79.01 Long term (current) use of anticoagulants

      2. Z79.02 Long term (current) use of antithrombotics/antiplatelets

    2. Z79.1 Long term (current) use of non-steroidal anti-inflammatories (NSAID)

    3. Z79.2 Long term (current) use of antibiotics

    4. Z79.3 Long term (current) use of hormonal contraceptives

      Inclusion term(s):

      • Long term (current) use of birth control pill or patch
    5. Z79.4 Long term (current) use of insulin

    6. Z79.5 Long term (current) use of steroids

      1. Z79.51 Long term (current) use of inhaled steroids

      2. Z79.52 Long term (current) use of systemic steroids

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

      1. Z79.60 Long term (current) use of unspecified immunomodulators and immunosuppressants

      2. Z79.61 Long term (current) use of immunomodulator

        Inclusion term(s):

        • Long term (current) use of apremilast
        • Long term (current) use of immunomodulatory imide drug
        • Long term (current) use of lenalidomide
        • Long term (current) use of pomalidomide
      3. Z79.62 Long term (current) use of immunosuppressant

        • Z79.620 Long term (current) use of immunosuppressive biologic

          Inclusion term(s):

          • Long term (current) use of adalimumab
          • Long term (current) use of etanercept
          • Long term (current) use of infliximab
          • Long term (current) use of monoclonal antibodies
        • Z79.621 Long term (current) use of calcineurin inhibitor

          Inclusion term(s):

          • Long term (current) use of cyclosporine
          • Long term (current) use of tacrolimus
        • Z79.622 Long term (current) use of Janus kinase inhibitor

          Inclusion term(s):

          • Long term (current) use of tofacitinib
        • Z79.623 Long term (current) use of mammalian target of rapamycin (mTOR) inhibitor

          Inclusion term(s):

          • Long term (current) use of sirolimus
        • Z79.624 Long term (current) use of inhibitors of nucleotide synthesis

          Inclusion term(s):

          • Long term (current) use of azathioprine
          • Long term (current) use omycophenolate
          • Long term (current) use of purine synthesis (IMDH) inhibitors
      4. Z79.63 Long term (current) use of chemotherapeutic agent

        • Z79.630 Long term (current) use of alkylating agent

          Inclusion term(s):

          • Long term (current) use of chlorambucil
          • Long term (current) use of cisplatin
          • Long term (current) use of cyclophosphamide
        • Z79.631 Long term (current) use of antimetabolite agent

          Inclusion term(s):

          • Long term (current) use of 5-fluorouracil
          • Long term (current) use of 6-mercaptopurine
          • Long term (current) use of cytarabine
          • Long term (current) use of methotrexate
        • Z79.632 Long term (current) use of antitumor antibiotic

          Inclusion term(s):

          • Long term (current) use of bleomycin
          • Long term (current) use of doxorubicin
          • Long term (current) use of mitomycin C
        • Z79.633 Long term (current) use of mitotic inhibitor

          Inclusion term(s):

          • Long term (current) use of paclitaxel
          • Long term (current) use of plant alkaloids
          • Long term (current) use of vinblastine
          • Long term (current) use of vincristine
        • Z79.634 Long term (current) use of topoisomerase inhibitor

          Inclusion term(s):

          • Long term (current) use of etoposide
          • Long term (current) use of irinotecan
          • Long term (current) use of topotecan
      5. Z79.64 Long term (current) use of myelosuppressive agent

        Inclusion term(s):

        • Long term (current) use of hydroxyurea
      6. Z79.69 Long term (current) use of other immunomodulators and immunosuppressants

    8. Z79.8 Other long term (current) drug therapy

      1. Z79.81 Long term (current) use of agents affecting estrogen receptors and estrogen levels

        • Z79.810 Long term (current) use of selective estrogen receptor modulators (SERMs)

          Inclusion term(s):

          • Long term (current) use of raloxifene (Evista)
          • Long term (current) use of tamoxifen (Nolvadex)
          • Long term (current) use of toremifene (Fareston)
        • Z79.811 Long term (current) use of aromatase inhibitors

          Inclusion term(s):

          • Long term (current) use of anastrozole (Arimidex)
          • Long term (current) use of exemestane (Aromasin)
          • Long term (current) use of letrozole (Femara)
        • Z79.818 Long term (current) use of other agents affecting estrogen receptors and estrogen levels

          Inclusion term(s):

          • Long term (current) use of estrogen receptor downregulators
          • Long term (current) use of fulvestrant (Faslodex)
          • Long term (current) use of gonadotropin-releasing hormone (GnRH) agonist
          • Long term (current) use of goserelin acetate (Zoladex)
          • Long term (current) use of leuprolide acetate (leuprorelin) (Lupron)
          • Long term (current) use of megestrol acetate (Megace)
      2. Z79.82 Long term (current) use of aspirin

      3. Z79.83 Long term (current) use of bisphosphonates

      4. Z79.84 Long term (current) use of oral hypoglycemic drugs

        Inclusion term(s):

        • Long term (current) use of oral antidiabetic drugs
      5. Z79.85 Long-term (current) use of injectable non-insulin antidiabetic drugs

      6. Z79.89 Other long term (current) drug therapy

        • Z79.890 Hormone replacement therapy
        • Z79.891 Long term (current) use of opiate analgesic

          Inclusion term(s):

          • Long term (current) use of methadone for pain management
        • Z79.899 Other long term (current) drug therapy
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.