All ICD10 Codes
Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • D48.2—

    Neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system

  • D48.3—

    Neoplasm of uncertain behavior of retroperitoneum

  • D48.4—

    Neoplasm of uncertain behavior of peritoneum

  • D48.5—

    Neoplasm of uncertain behavior of skin

  • D48.6—

    Neoplasm of uncertain behavior of breast

  • D48.60—

    Neoplasm of uncertain behavior of unspecified breast

  • D48.61—

    Neoplasm of uncertain behavior of right breast

  • D48.62—

    Neoplasm of uncertain behavior of left breast

  • D48.7—

    Neoplasm of uncertain behavior of other specified sites

  • D48.9—

    Neoplasm of uncertain behavior, unspecified

  • D49—

    Neoplasms of unspecified behavior

  • D49.0—

    Neoplasm of unspecified behavior of digestive system

  • D49.1—

    Neoplasm of unspecified behavior of respiratory system

  • D49.2—

    Neoplasm of unspecified behavior of bone, soft tissue, and skin

  • D49.3—

    Neoplasm of unspecified behavior of breast

  • D49.4—

    Neoplasm of unspecified behavior of bladder

  • D49.5—

    Neoplasm of unspecified behavior of other genitourinary organs

  • D49.51—

    Neoplasm of unspecified behavior of kidney

  • D49.511—

    Neoplasm of unspecified behavior of right kidney

  • D49.512—

    Neoplasm of unspecified behavior of left kidney

  • D49.519—

    Neoplasm of unspecified behavior of unspecified kidney

  • D49.59—

    Neoplasm of unspecified behavior of other genitourinary organ

  • D49.6—

    Neoplasm of unspecified behavior of brain

  • D49.7—

    Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system

  • D49.8—

    Neoplasm of unspecified behavior of other specified sites

  • D49.81—

    Neoplasm of unspecified behavior of retina and choroid

  • D49.89—

    Neoplasm of unspecified behavior of other specified sites

  • D49.9—

    Neoplasm of unspecified behavior of unspecified site

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