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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