Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All Codes Billable Only

Internal Codes

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C43.39|
Malignant melanoma of other parts of face
C43.4|
Malignant melanoma of scalp and neck
C43.51|
Malignant melanoma of anal skin
C43.52|
Malignant melanoma of skin of breast
C43.59|
Malignant melanoma of other part of trunk
C43.60|
Malignant melanoma of unspecified upper limb, including shoulder
C43.61|
Malignant melanoma of right upper limb, including shoulder
C43.62|
Malignant melanoma of left upper limb, including shoulder
C43.70|
Malignant melanoma of unspecified lower limb, including hip
C43.71|
Malignant melanoma of right lower limb, including hip
C43.72|
Malignant melanoma of left lower limb, including hip
C43.8|
Malignant melanoma of overlapping sites of skin
C43.9|
Malignant melanoma of skin, unspecified
C44.00|
Unspecified malignant neoplasm of skin of lip
C44.01|
Basal cell carcinoma of skin of lip
C44.02|
Squamous cell carcinoma of skin of lip
C44.09|
Other specified malignant neoplasm of skin of lip
C44.101|
Unspecified malignant neoplasm of skin of unspecified eyelid, including canthus
C44.1021|
Unspecified malignant neoplasm of skin of right upper eyelid, including canthus
C44.1022|
Unspecified malignant neoplasm of skin of right lower eyelid, including canthus
C44.1091|
Unspecified malignant neoplasm of skin of left upper eyelid, including canthus
C44.1092|
Unspecified malignant neoplasm of skin of left lower eyelid, including canthus
C44.111|
Basal cell carcinoma of skin of unspecified eyelid, including canthus
C44.1121|
Basal cell carcinoma of skin of right upper eyelid, including canthus
C44.1122|
Basal cell carcinoma of skin of right lower eyelid, including canthus
C44.1191|
Basal cell carcinoma of skin of left upper eyelid, including canthus
C44.1192|
Basal cell carcinoma of skin of left lower eyelid, including canthus
C44.121|
Squamous cell carcinoma of skin of unspecified eyelid, including canthus
C44.1221|
Squamous cell carcinoma of skin of right upper eyelid, including canthus
C44.1222|
Squamous cell carcinoma of skin of right lower eyelid, including canthus
C44.1291|
Squamous cell carcinoma of skin of left upper eyelid, including canthus
C44.1292|
Squamous cell carcinoma of skin of left lower eyelid, including canthus
C44.131|
Sebaceous cell carcinoma of skin of unspecified eyelid, including canthus
C44.1321|
Sebaceous cell carcinoma of skin of right upper eyelid, including canthus
C44.1322|
Sebaceous cell carcinoma of skin of right lower eyelid, including canthus
C44.1391|
Sebaceous cell carcinoma of skin of left upper eyelid, including canthus
C44.1392|
Sebaceous cell carcinoma of skin of left lower eyelid, including canthus
C44.191|
Other specified malignant neoplasm of skin of unspecified eyelid, including canthus
C44.1921|
Other specified malignant neoplasm of skin of right upper eyelid, including canthus
C44.1922|
Other specified malignant neoplasm of skin of right lower eyelid, including canthus
C44.1991|
Other specified malignant neoplasm of skin of left upper eyelid, including canthus
C44.1992|
Other specified malignant neoplasm of skin of left lower eyelid, including canthus
C44.201|
Unspecified malignant neoplasm of skin of unspecified ear and external auricular canal
C44.202|
Unspecified malignant neoplasm of skin of right ear and external auricular canal
C44.209|
Unspecified malignant neoplasm of skin of left ear and external auricular canal
C44.211|
Basal cell carcinoma of skin of unspecified ear and external auricular canal
C44.212|
Basal cell carcinoma of skin of right ear and external auricular canal
C44.219|
Basal cell carcinoma of skin of left ear and external auricular canal
C44.221|
Squamous cell carcinoma of skin of unspecified ear and external auricular canal
C44.222|
Squamous cell carcinoma of skin of right ear and external auricular canal

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