Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • D23.21

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

  • D23.22

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

  • D23.3

    Other benign neoplasm of skin of other and unspecified parts of face

  • D23.30

    Other benign neoplasm of skin of unspecified part of face

  • D23.39

    Other benign neoplasm of skin of other parts of face

  • D23.4

    Other benign neoplasm of skin of scalp and neck

  • D23.5

    Other benign neoplasm of skin of trunk

  • D23.6

    Other benign neoplasm of skin of upper limb, including shoulder

  • D23.60

    Other benign neoplasm of skin of unspecified upper limb, including shoulder

  • D23.61

    Other benign neoplasm of skin of right upper limb, including shoulder

  • D23.62

    Other benign neoplasm of skin of left upper limb, including shoulder

  • D23.7

    Other benign neoplasm of skin of lower limb, including hip

  • D23.70

    Other benign neoplasm of skin of unspecified lower limb, including hip

  • D23.71

    Other benign neoplasm of skin of right lower limb, including hip

  • D23.72

    Other benign neoplasm of skin of left lower limb, including hip

  • D23.9

    Other benign neoplasm of skin, unspecified

  • D24

    Benign neoplasm of breast

  • D24.1

    Benign neoplasm of right breast

  • D24.2

    Benign neoplasm of left breast

  • D24.9

    Benign neoplasm of unspecified breast

  • D25

    Leiomyoma of uterus

  • D25.0

    Submucous leiomyoma of uterus

  • D25.1

    Intramural leiomyoma of uterus

  • D25.2

    Subserosal leiomyoma of uterus

  • D25.9

    Leiomyoma of uterus, unspecified

  • D26

    Other benign neoplasms of uterus

  • D26.0

    Other benign neoplasm of cervix uteri

  • D26.1

    Other benign neoplasm of corpus uteri

  • D26.7

    Other benign neoplasm of other parts of uterus

  • D26.9

    Other benign neoplasm of uterus, unspecified

  • D27

    Benign neoplasm of ovary

  • D27.0

    Benign neoplasm of right ovary

  • D27.1

    Benign neoplasm of left ovary

  • D27.9

    Benign neoplasm of unspecified ovary

  • D28

    Benign neoplasm of other and unspecified female genital organs

  • D28.0

    Benign neoplasm of vulva

  • D28.1

    Benign neoplasm of vagina

  • D28.2

    Benign neoplasm of uterine tubes and ligaments

  • D28.7

    Benign neoplasm of other specified female genital organs

  • D28.9

    Benign neoplasm of female genital organ, unspecified

  • D29

    Benign neoplasm of male genital organs

  • D29.0

    Benign neoplasm of penis

  • D29.1

    Benign neoplasm of prostate

  • D29.2

    Benign neoplasm of testis

  • D29.20

    Benign neoplasm of unspecified testis

  • D29.21

    Benign neoplasm of right testis

  • D29.22

    Benign neoplasm of left testis

  • D29.3

    Benign neoplasm of epididymis

  • D29.30

    Benign neoplasm of unspecified epididymis

  • D29.31

    Benign neoplasm of right epididymis

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