All ICD10 Codes
Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • C50.122—

    Malignant neoplasm of central portion of left male breast

  • C50.129—

    Malignant neoplasm of central portion of unspecified male breast

  • C50.211—

    Malignant neoplasm of upper-inner quadrant of right female breast

  • C50.212—

    Malignant neoplasm of upper-inner quadrant of left female breast

  • C50.219—

    Malignant neoplasm of upper-inner quadrant of unspecified female breast

  • C50.221—

    Malignant neoplasm of upper-inner quadrant of right male breast

  • C50.222—

    Malignant neoplasm of upper-inner quadrant of left male breast

  • C50.229—

    Malignant neoplasm of upper-inner quadrant of unspecified male breast

  • C50.311—

    Malignant neoplasm of lower-inner quadrant of right female breast

  • C50.312—

    Malignant neoplasm of lower-inner quadrant of left female breast

  • C50.319—

    Malignant neoplasm of lower-inner quadrant of unspecified female breast

  • C50.321—

    Malignant neoplasm of lower-inner quadrant of right male breast

  • C50.322—

    Malignant neoplasm of lower-inner quadrant of left male breast

  • C50.329—

    Malignant neoplasm of lower-inner quadrant of unspecified male breast

  • C50.411—

    Malignant neoplasm of upper-outer quadrant of right female breast

  • C50.412—

    Malignant neoplasm of upper-outer quadrant of left female breast

  • C50.419—

    Malignant neoplasm of upper-outer quadrant of unspecified female breast

  • C50.421—

    Malignant neoplasm of upper-outer quadrant of right male breast

  • C50.422—

    Malignant neoplasm of upper-outer quadrant of left male breast

  • C50.429—

    Malignant neoplasm of upper-outer quadrant of unspecified male breast

  • C50.511—

    Malignant neoplasm of lower-outer quadrant of right female breast

  • C50.512—

    Malignant neoplasm of lower-outer quadrant of left female breast

  • C50.519—

    Malignant neoplasm of lower-outer quadrant of unspecified female breast

  • C50.521—

    Malignant neoplasm of lower-outer quadrant of right male breast

  • C50.522—

    Malignant neoplasm of lower-outer quadrant of left male breast

  • C50.529—

    Malignant neoplasm of lower-outer quadrant of unspecified male breast

  • C50.611—

    Malignant neoplasm of axillary tail of right female breast

  • C50.612—

    Malignant neoplasm of axillary tail of left female breast

  • C50.619—

    Malignant neoplasm of axillary tail of unspecified female breast

  • C50.621—

    Malignant neoplasm of axillary tail of right male breast

  • C50.622—

    Malignant neoplasm of axillary tail of left male breast

  • C50.629—

    Malignant neoplasm of axillary tail of unspecified male breast

  • C50.811—

    Malignant neoplasm of overlapping sites of right female breast

  • C50.812—

    Malignant neoplasm of overlapping sites of left female breast

  • C50.819—

    Malignant neoplasm of overlapping sites of unspecified female breast

  • C50.821—

    Malignant neoplasm of overlapping sites of right male breast

  • C50.822—

    Malignant neoplasm of overlapping sites of left male breast

  • C50.829—

    Malignant neoplasm of overlapping sites of unspecified male breast

  • C50.911—

    Malignant neoplasm of unspecified site of right female breast

  • C50.912—

    Malignant neoplasm of unspecified site of left female breast

  • C50.919—

    Malignant neoplasm of unspecified site of unspecified female breast

  • C50.921—

    Malignant neoplasm of unspecified site of right male breast

  • C50.922—

    Malignant neoplasm of unspecified site of left male breast

  • C50.929—

    Malignant neoplasm of unspecified site of unspecified male breast

  • C50.A0—

    Malignant inflammatory neoplasm of unspecified breast

  • C50.A1—

    Malignant inflammatory neoplasm of right breast

  • C50.A2—

    Malignant inflammatory neoplasm of left breast

  • C51.0—

    Malignant neoplasm of labium majus

  • C51.1—

    Malignant neoplasm of labium minus

  • C51.2—

    Malignant neoplasm of clitoris

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