Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • D21.12

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

  • D21.2

    Benign neoplasm of connective and other soft tissue of lower limb, including hip

  • D21.20

    Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip

  • D21.21

    Benign neoplasm of connective and other soft tissue of right lower limb, including hip

  • D21.22

    Benign neoplasm of connective and other soft tissue of left lower limb, including hip

  • D21.3

    Benign neoplasm of connective and other soft tissue of thorax

  • D21.4

    Benign neoplasm of connective and other soft tissue of abdomen

  • D21.5

    Benign neoplasm of connective and other soft tissue of pelvis

  • D21.6

    Benign neoplasm of connective and other soft tissue of trunk, unspecified

  • D21.9

    Benign neoplasm of connective and other soft tissue, unspecified

  • D22

    Melanocytic nevi

  • D22.0

    Melanocytic nevi of lip

  • D22.1

    Melanocytic nevi of eyelid, including canthus

  • D22.10

    Melanocytic nevi of unspecified eyelid, including canthus

  • D22.11

    Melanocytic nevi of right eyelid, including canthus

  • D22.111

    Melanocytic nevi of right upper eyelid, including canthus

  • D22.112

    Melanocytic nevi of right lower eyelid, including canthus

  • D22.12

    Melanocytic nevi of left eyelid, including canthus

  • D22.121

    Melanocytic nevi of left upper eyelid, including canthus

  • D22.122

    Melanocytic nevi of left lower eyelid, including canthus

  • D22.2

    Melanocytic nevi of ear and external auricular canal

  • D22.20

    Melanocytic nevi of unspecified ear and external auricular canal

  • D22.21

    Melanocytic nevi of right ear and external auricular canal

  • D22.22

    Melanocytic nevi of left ear and external auricular canal

  • D22.3

    Melanocytic nevi of other and unspecified parts of face

  • D22.30

    Melanocytic nevi of unspecified part of face

  • D22.39

    Melanocytic nevi of other parts of face

  • D22.4

    Melanocytic nevi of scalp and neck

  • D22.5

    Melanocytic nevi of trunk

  • D22.6

    Melanocytic nevi of upper limb, including shoulder

  • D22.60

    Melanocytic nevi of unspecified upper limb, including shoulder

  • D22.61

    Melanocytic nevi of right upper limb, including shoulder

  • D22.62

    Melanocytic nevi of left upper limb, including shoulder

  • D22.7

    Melanocytic nevi of lower limb, including hip

  • D22.70

    Melanocytic nevi of unspecified lower limb, including hip

  • D22.71

    Melanocytic nevi of right lower limb, including hip

  • D22.72

    Melanocytic nevi of left lower limb, including hip

  • D22.9

    Melanocytic nevi, unspecified

  • D23

    Other benign neoplasms of skin

  • D23.0

    Other benign neoplasm of skin of lip

  • D23.1

    Other benign neoplasm of skin of eyelid, including canthus

  • D23.10

    Other benign neoplasm of skin of unspecified eyelid, including canthus

  • D23.11

    Other benign neoplasm of skin of right eyelid, including canthus

  • D23.111

    Other benign neoplasm of skin of right upper eyelid, including canthus

  • D23.112

    Other benign neoplasm of skin of right lower eyelid, including canthus

  • D23.12

    Other benign neoplasm of skin of left eyelid, including canthus

  • D23.121

    Other benign neoplasm of skin of left upper eyelid, including canthus

  • D23.122

    Other benign neoplasm of skin of left lower eyelid, including canthus

  • D23.2

    Other benign neoplasm of skin of ear and external auricular canal

  • D23.20

    Other benign neoplasm of skin of unspecified ear and external auricular canal

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