Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • 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

  • D17.30

    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

  • D17.71

    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

  • D18.00

    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

  • D19.0

    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

  • D20.0

    Benign neoplasm of soft tissue of retroperitoneum

  • D20.1

    Benign neoplasm of soft tissue of peritoneum

  • D21.0

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

  • 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

  • D21.12

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

  • 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

  • D22.0

    Melanocytic nevi of lip

  • D22.10

    Melanocytic nevi of unspecified eyelid, including canthus

  • D22.111

    Melanocytic nevi of right upper eyelid, including canthus

  • D22.112

    Melanocytic nevi of right lower eyelid, including canthus

  • D22.121

    Melanocytic nevi of left upper eyelid, including canthus

  • D22.122

    Melanocytic nevi of left lower eyelid, including canthus

  • 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

  • D22.30

    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

  • D22.60

    Melanocytic nevi of unspecified upper limb, including shoulder

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