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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