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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  • Z17.411—

    Hormone receptor positive with human epidermal growth factor receptor 2 negative status

  • Z17.420—

    Hormone receptor negative with human epidermal growth factor receptor 2 positive status

  • Z17.421—

    Hormone receptor negative with human epidermal growth factor receptor 2 negative status

  • Z18.01—

    Retained depleted uranium fragments

  • Z18.09—

    Other retained radioactive fragments

  • Z18.10—

    Retained metal fragments, unspecified

  • Z18.11—

    Retained magnetic metal fragments

  • Z18.12—

    Retained nonmagnetic metal fragments

  • Z18.2—

    Retained plastic fragments

  • Z18.31—

    Retained animal quills or spines

  • Z18.32—

    Retained tooth

  • Z18.33—

    Retained wood fragments

  • Z18.39—

    Other retained organic fragments

  • Z18.81—

    Retained glass fragments

  • Z18.83—

    Retained stone or crystalline fragments

  • Z18.89—

    Other specified retained foreign body fragments

  • Z18.9—

    Retained foreign body fragments, unspecified material

  • Z19.1—

    Hormone sensitive malignancy status

  • Z19.2—

    Hormone resistant malignancy status

  • Z20.01—

    Contact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli)

  • Z20.09—

    Contact with and (suspected) exposure to other intestinal infectious diseases

  • Z20.1—

    Contact with and (suspected) exposure to tuberculosis

  • Z20.2—

    Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission

  • Z20.3—

    Contact with and (suspected) exposure to rabies

  • Z20.4—

    Contact with and (suspected) exposure to rubella

  • Z20.5—

    Contact with and (suspected) exposure to viral hepatitis

  • Z20.6—

    Contact with and (suspected) exposure to human immunodeficiency virus [HIV]

  • Z20.7—

    Contact with and (suspected) exposure to pediculosis, acariasis and other infestations

  • Z20.810—

    Contact with and (suspected) exposure to anthrax

  • Z20.811—

    Contact with and (suspected) exposure to meningococcus

  • Z20.818—

    Contact with and (suspected) exposure to other bacterial communicable diseases

  • Z20.820—

    Contact with and (suspected) exposure to varicella

  • Z20.821—

    Contact with and (suspected) exposure to Zika virus

  • Z20.822—

    Contact with and (suspected) exposure to COVID-19

  • Z20.828—

    Contact with and (suspected) exposure to other viral communicable diseases

  • Z20.89—

    Contact with and (suspected) exposure to other communicable diseases

  • Z20.9—

    Contact with and (suspected) exposure to unspecified communicable disease

  • Z21—

    Asymptomatic human immunodeficiency virus [HIV] infection status

  • Z22.0—

    Carrier of typhoid

  • Z22.1—

    Carrier of other intestinal infectious diseases

  • Z22.2—

    Carrier of diphtheria

  • Z22.31—

    Carrier of bacterial disease due to meningococci

  • Z22.321—

    Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus

  • Z22.322—

    Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus

  • Z22.330—

    Carrier of Group B streptococcus

  • Z22.338—

    Carrier of other streptococcus

  • Z22.340—

    Carrier of carbapenem-resistant Acinetobacter baumannii

  • Z22.341—

    Carrier of carbapenem-sensitive Acinetobacter baumannii

  • Z22.349—

    Carrier of Acinetobacter baumannii, unspecified

  • Z22.350—

    Carrier of carbapenem-resistant Enterobacterales

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