Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C40.00

    Malignant neoplasm of scapula and long bones of unspecified upper limb

  • C40.01

    Malignant neoplasm of scapula and long bones of right upper limb

  • C40.02

    Malignant neoplasm of scapula and long bones of left upper limb

  • C40.1

    Malignant neoplasm of short bones of upper limb

  • C40.10

    Malignant neoplasm of short bones of unspecified upper limb

  • C40.11

    Malignant neoplasm of short bones of right upper limb

  • C40.12

    Malignant neoplasm of short bones of left upper limb

  • C40.2

    Malignant neoplasm of long bones of lower limb

  • C40.20

    Malignant neoplasm of long bones of unspecified lower limb

  • C40.21

    Malignant neoplasm of long bones of right lower limb

  • C40.22

    Malignant neoplasm of long bones of left lower limb

  • C40.3

    Malignant neoplasm of short bones of lower limb

  • C40.30

    Malignant neoplasm of short bones of unspecified lower limb

  • C40.31

    Malignant neoplasm of short bones of right lower limb

  • C40.32

    Malignant neoplasm of short bones of left lower limb

  • C40.8

    Malignant neoplasm of overlapping sites of bone and articular cartilage of limb

  • C40.80

    Malignant neoplasm of overlapping sites of bone and articular cartilage of unspecified limb

  • C40.81

    Malignant neoplasm of overlapping sites of bone and articular cartilage of right limb

  • C40.82

    Malignant neoplasm of overlapping sites of bone and articular cartilage of left limb

  • C40.9

    Malignant neoplasm of unspecified bones and articular cartilage of limb

  • C40.90

    Malignant neoplasm of unspecified bones and articular cartilage of unspecified limb

  • C40.91

    Malignant neoplasm of unspecified bones and articular cartilage of right limb

  • C40.92

    Malignant neoplasm of unspecified bones and articular cartilage of left limb

  • C41

    Malignant neoplasm of bone and articular cartilage of other and unspecified sites

  • C41.0

    Malignant neoplasm of bones of skull and face

  • C41.1

    Malignant neoplasm of mandible

  • C41.2

    Malignant neoplasm of vertebral column

  • C41.3

    Malignant neoplasm of ribs, sternum and clavicle

  • C41.4

    Malignant neoplasm of pelvic bones, sacrum and coccyx

  • C41.9

    Malignant neoplasm of bone and articular cartilage, unspecified

  • C43

    Malignant melanoma of skin

  • C43.0

    Malignant melanoma of lip

  • C43.1

    Malignant melanoma of eyelid, including canthus

  • C43.10

    Malignant melanoma of unspecified eyelid, including canthus

  • C43.11

    Malignant melanoma of right eyelid, including canthus

  • C43.111

    Malignant melanoma of right upper eyelid, including canthus

  • C43.112

    Malignant melanoma of right lower eyelid, including canthus

  • C43.12

    Malignant melanoma of left eyelid, including canthus

  • C43.121

    Malignant melanoma of left upper eyelid, including canthus

  • C43.122

    Malignant melanoma of left lower eyelid, including canthus

  • C43.2

    Malignant melanoma of ear and external auricular canal

  • C43.20

    Malignant melanoma of unspecified ear and external auricular canal

  • C43.21

    Malignant melanoma of right ear and external auricular canal

  • C43.22

    Malignant melanoma of left ear and external auricular canal

  • C43.3

    Malignant melanoma of other and unspecified parts of face

  • C43.30

    Malignant melanoma of unspecified part of face

  • C43.31

    Malignant melanoma of nose

  • C43.39

    Malignant melanoma of other parts of face

  • C43.4

    Malignant melanoma of scalp and neck

  • C43.5

    Malignant melanoma of trunk

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