Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • D03.71

    Melanoma in situ of right lower limb, including hip

  • D03.72

    Melanoma in situ of left lower limb, including hip

  • D03.8

    Melanoma in situ of other sites

  • D03.9

    Melanoma in situ, unspecified

  • D04

    Carcinoma in situ of skin

  • D04.0

    Carcinoma in situ of skin of lip

  • D04.1

    Carcinoma in situ of skin of eyelid, including canthus

  • D04.10

    Carcinoma in situ of skin of unspecified eyelid, including canthus

  • D04.11

    Carcinoma in situ of skin of right eyelid, including canthus

  • D04.111

    Carcinoma in situ of skin of right upper eyelid, including canthus

  • D04.112

    Carcinoma in situ of skin of right lower eyelid, including canthus

  • D04.12

    Carcinoma in situ of skin of left eyelid, including canthus

  • D04.121

    Carcinoma in situ of skin of left upper eyelid, including canthus

  • D04.122

    Carcinoma in situ of skin of left lower eyelid, including canthus

  • D04.2

    Carcinoma in situ of skin of ear and external auricular canal

  • D04.20

    Carcinoma in situ of skin of unspecified ear and external auricular canal

  • D04.21

    Carcinoma in situ of skin of right ear and external auricular canal

  • D04.22

    Carcinoma in situ of skin of left ear and external auricular canal

  • D04.3

    Carcinoma in situ of skin of other and unspecified parts of face

  • D04.30

    Carcinoma in situ of skin of unspecified part of face

  • D04.39

    Carcinoma in situ of skin of other parts of face

  • D04.4

    Carcinoma in situ of skin of scalp and neck

  • D04.5

    Carcinoma in situ of skin of trunk

  • D04.6

    Carcinoma in situ of skin of upper limb, including shoulder

  • D04.60

    Carcinoma in situ of skin of unspecified upper limb, including shoulder

  • D04.61

    Carcinoma in situ of skin of right upper limb, including shoulder

  • D04.62

    Carcinoma in situ of skin of left upper limb, including shoulder

  • D04.7

    Carcinoma in situ of skin of lower limb, including hip

  • D04.70

    Carcinoma in situ of skin of unspecified lower limb, including hip

  • D04.71

    Carcinoma in situ of skin of right lower limb, including hip

  • D04.72

    Carcinoma in situ of skin of left lower limb, including hip

  • D04.8

    Carcinoma in situ of skin of other sites

  • D04.9

    Carcinoma in situ of skin, unspecified

  • D05

    Carcinoma in situ of breast

  • D05.0

    Lobular carcinoma in situ of breast

  • D05.00

    Lobular carcinoma in situ of unspecified breast

  • D05.01

    Lobular carcinoma in situ of right breast

  • D05.02

    Lobular carcinoma in situ of left breast

  • D05.1

    Intraductal carcinoma in situ of breast

  • D05.10

    Intraductal carcinoma in situ of unspecified breast

  • D05.11

    Intraductal carcinoma in situ of right breast

  • D05.12

    Intraductal carcinoma in situ of left breast

  • D05.8

    Other specified type of carcinoma in situ of breast

  • D05.80

    Other specified type of carcinoma in situ of unspecified breast

  • D05.81

    Other specified type of carcinoma in situ of right breast

  • D05.82

    Other specified type of carcinoma in situ of left breast

  • D05.9

    Unspecified type of carcinoma in situ of breast

  • D05.90

    Unspecified type of carcinoma in situ of unspecified breast

  • D05.91

    Unspecified type of carcinoma in situ of right breast

  • D05.92

    Unspecified type of carcinoma in situ of left breast

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