Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • D16.30|

    Benign neoplasm of short bones of unspecified lower limb

  • D16.31|

    Benign neoplasm of short bones of right lower limb

  • D16.32|

    Benign neoplasm of short bones of left lower limb

  • D16.4|

    Benign neoplasm of bones of skull and face

  • D16.5|

    Benign neoplasm of lower jaw bone

  • D16.6|

    Benign neoplasm of vertebral column

  • D16.7|

    Benign neoplasm of ribs, sternum and clavicle

  • D16.8|

    Benign neoplasm of pelvic bones, sacrum and coccyx

  • D16.9|

    Benign neoplasm of bone and articular cartilage, unspecified

  • D17|

    Benign lipomatous neoplasm

  • D17.0|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of head, face and neck

  • D17.1|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of trunk

  • D17.2|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of limb

  • D17.20|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of unspecified limb

  • D17.21|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of right arm

  • D17.22|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of left arm

  • D17.23|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of right leg

  • D17.24|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of left leg

  • D17.3|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of other and unspecified sites

  • D17.30|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of unspecified sites

  • D17.39|

    Benign lipomatous neoplasm of skin and subcutaneous tissue of other sites

  • D17.4|

    Benign lipomatous neoplasm of intrathoracic organs

  • D17.5|

    Benign lipomatous neoplasm of intra-abdominal organs

  • D17.6|

    Benign lipomatous neoplasm of spermatic cord

  • D17.7|

    Benign lipomatous neoplasm of other sites

  • D17.71|

    Benign lipomatous neoplasm of kidney

  • D17.72|

    Benign lipomatous neoplasm of other genitourinary organ

  • D17.79|

    Benign lipomatous neoplasm of other sites

  • D17.9|

    Benign lipomatous neoplasm, unspecified

  • D18|

    Hemangioma and lymphangioma, any site

  • D18.0|

    Hemangioma

  • D18.00|

    Hemangioma unspecified site

  • D18.01|

    Hemangioma of skin and subcutaneous tissue

  • D18.02|

    Hemangioma of intracranial structures

  • D18.03|

    Hemangioma of intra-abdominal structures

  • D18.09|

    Hemangioma of other sites

  • D18.1|

    Lymphangioma, any site

  • D19|

    Benign neoplasm of mesothelial tissue

  • D19.0|

    Benign neoplasm of mesothelial tissue of pleura

  • D19.1|

    Benign neoplasm of mesothelial tissue of peritoneum

  • D19.7|

    Benign neoplasm of mesothelial tissue of other sites

  • D19.9|

    Benign neoplasm of mesothelial tissue, unspecified

  • D20|

    Benign neoplasm of soft tissue of retroperitoneum and peritoneum

  • D20.0|

    Benign neoplasm of soft tissue of retroperitoneum

  • D20.1|

    Benign neoplasm of soft tissue of peritoneum

  • D21|

    Other benign neoplasms of connective and other soft tissue

  • D21.0|

    Benign neoplasm of connective and other soft tissue of head, face and neck

  • D21.1|

    Benign neoplasm of connective and other soft tissue of upper limb, including shoulder

  • D21.10|

    Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder

  • D21.11|

    Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder

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