All ICD10 Codes
Chapter 21

Z00–Z99: Factors Influencing Health Status and Contact with Health Services

Factors Influencing Health Status and Contact with Health Services diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • Z79.4—

    Long term (current) use of insulin

  • Z79.5—

    Long term (current) use of steroids

  • Z79.51—

    Long term (current) use of inhaled steroids

  • Z79.52—

    Long term (current) use of systemic steroids

  • Z79.6—

    Long term (current) use of immunomodulators and immunosuppressants

  • 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

  • Z79.620—

    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

  • 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

  • Z79.64—

    Long term (current) use of myelosuppressive agent

  • Z79.69—

    Long term (current) use of other immunomodulators and immunosuppressants

  • Z79.8—

    Other long term (current) drug therapy

  • 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)

  • Z79.811—

    Long term (current) use of aromatase inhibitors

  • Z79.818—

    Long term (current) use of other agents affecting estrogen receptors and estrogen levels

  • Z79.82—

    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

  • Z79.890—

    Hormone replacement therapy

  • Z79.891—

    Long term (current) use of opiate analgesic

  • Z79.899—

    Other long term (current) drug therapy

  • Z80—

    Family history of primary malignant neoplasm

  • Z80.0—

    Family history of malignant neoplasm of digestive organs

  • Z80.1—

    Family history of malignant neoplasm of trachea, bronchus and lung

  • Z80.2—

    Family history of malignant neoplasm of other respiratory and intrathoracic organs

  • Z80.3—

    Family history of malignant neoplasm of breast

  • Z80.4—

    Family history of malignant neoplasm of genital organs

  • Z80.41—

    Family history of malignant neoplasm of ovary

  • Z80.42—

    Family history of malignant neoplasm of prostate

  • Z80.43—

    Family history of malignant neoplasm of testis

  • Z80.44—

    Family history of malignant neoplasm of fallopian tube(s)

  • Z80.49—

    Family history of malignant neoplasm of other genital organs

  • Z80.5—

    Family history of malignant neoplasm of urinary tract

  • Z80.51—

    Family history of malignant neoplasm of kidney

  • Z80.52—

    Family history of malignant neoplasm of bladder

  • Z80.59—

    Family history of malignant neoplasm of other urinary tract organ

  • Z80.6—

    Family history of leukemia

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