Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All Codes Billable Only

Internal Codes

Page 8 of 44

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C44.50|
Unspecified malignant neoplasm of skin of trunk
C44.500|
Unspecified malignant neoplasm of anal skin
C44.501|
Unspecified malignant neoplasm of skin of breast
C44.509|
Unspecified malignant neoplasm of skin of other part of trunk
C44.51|
Basal cell carcinoma of skin of trunk
C44.510|
Basal cell carcinoma of anal skin
C44.511|
Basal cell carcinoma of skin of breast
C44.519|
Basal cell carcinoma of skin of other part of trunk
C44.52|
Squamous cell carcinoma of skin of trunk
C44.520|
Squamous cell carcinoma of anal skin
C44.521|
Squamous cell carcinoma of skin of breast
C44.529|
Squamous cell carcinoma of skin of other part of trunk
C44.59|
Other specified malignant neoplasm of skin of trunk
C44.590|
Other specified malignant neoplasm of anal skin
C44.591|
Other specified malignant neoplasm of skin of breast
C44.599|
Other specified malignant neoplasm of skin of other part of trunk
C44.6|
Other and unspecified malignant neoplasm of skin of upper limb, including shoulder
C44.60|
Unspecified malignant neoplasm of skin of upper limb, including shoulder
C44.601|
Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulder
C44.602|
Unspecified malignant neoplasm of skin of right upper limb, including shoulder
C44.609|
Unspecified malignant neoplasm of skin of left upper limb, including shoulder
C44.61|
Basal cell carcinoma of skin of upper limb, including shoulder
C44.611|
Basal cell carcinoma of skin of unspecified upper limb, including shoulder
C44.612|
Basal cell carcinoma of skin of right upper limb, including shoulder
C44.619|
Basal cell carcinoma of skin of left upper limb, including shoulder
C44.62|
Squamous cell carcinoma of skin of upper limb, including shoulder
C44.621|
Squamous cell carcinoma of skin of unspecified upper limb, including shoulder
C44.622|
Squamous cell carcinoma of skin of right upper limb, including shoulder
C44.629|
Squamous cell carcinoma of skin of left upper limb, including shoulder
C44.69|
Other specified malignant neoplasm of skin of upper limb, including shoulder
C44.691|
Other specified malignant neoplasm of skin of unspecified upper limb, including shoulder
C44.692|
Other specified malignant neoplasm of skin of right upper limb, including shoulder
C44.699|
Other specified malignant neoplasm of skin of left upper limb, including shoulder
C44.7|
Other and unspecified malignant neoplasm of skin of lower limb, including hip
C44.70|
Unspecified malignant neoplasm of skin of lower limb, including hip
C44.701|
Unspecified malignant neoplasm of skin of unspecified lower limb, including hip
C44.702|
Unspecified malignant neoplasm of skin of right lower limb, including hip
C44.709|
Unspecified malignant neoplasm of skin of left lower limb, including hip
C44.71|
Basal cell carcinoma of skin of lower limb, including hip
C44.711|
Basal cell carcinoma of skin of unspecified lower limb, including hip
C44.712|
Basal cell carcinoma of skin of right lower limb, including hip
C44.719|
Basal cell carcinoma of skin of left lower limb, including hip
C44.72|
Squamous cell carcinoma of skin of lower limb, including hip
C44.721|
Squamous cell carcinoma of skin of unspecified lower limb, including hip
C44.722|
Squamous cell carcinoma of skin of right lower limb, including hip
C44.729|
Squamous cell carcinoma of skin of left lower limb, including hip
C44.79|
Other specified malignant neoplasm of skin of lower limb, including hip
C44.791|
Other specified malignant neoplasm of skin of unspecified lower limb, including hip
C44.792|
Other specified malignant neoplasm of skin of right lower limb, including hip
C44.799|
Other specified malignant neoplasm of skin of left lower limb, including hip

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