ICD-10-CM · Chapter 2 · C00-D49
C44 Other and unspecified malignant neoplasm of skin
Includes
- malignant neoplasm of sebaceous glands
- malignant neoplasm of sweat glands
Excludes 1 (cannot be coded together)
- Kaposi's sarcoma of skin (C46.0)
- malignant melanoma of skin (C43.-)
- malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
- Merkel cell carcinoma (C4A.-)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| C44..0 | Other and unspecified malignant neoplasm of skin of lip | No |
| C44..00 | Unspecified malignant neoplasm of skin of lip | Yes |
| C44..01 | Basal cell carcinoma of skin of lip | Yes |
| C44..02 | Squamous cell carcinoma of skin of lip | Yes |
| C44..09 | Other specified malignant neoplasm of skin of lip | Yes |
| C44..1 | Other and unspecified malignant neoplasm of skin of eyelid, including canthus | No |
| C44..10 | Unspecified malignant neoplasm of skin of eyelid, including canthus | No |
| C44..101 | Unspecified malignant neoplasm of skin of unspecified eyelid, including canthus | Yes |
| C44..102 | Unspecified malignant neoplasm of skin of right eyelid, including canthus | No |
| C44..1021 | Unspecified malignant neoplasm of skin of right upper eyelid, including canthus | Yes |
| C44..1022 | Unspecified malignant neoplasm of skin of right lower eyelid, including canthus | Yes |
| C44..109 | Unspecified malignant neoplasm of skin of left eyelid, including canthus | No |
| C44..1091 | Unspecified malignant neoplasm of skin of left upper eyelid, including canthus | Yes |
| C44..1092 | Unspecified malignant neoplasm of skin of left lower eyelid, including canthus | Yes |
| C44..11 | Basal cell carcinoma of skin of eyelid, including canthus | No |
| C44..111 | Basal cell carcinoma of skin of unspecified eyelid, including canthus | Yes |
| C44..112 | Basal cell carcinoma of skin of right eyelid, including canthus | No |
| C44..1121 | Basal cell carcinoma of skin of right upper eyelid, including canthus | Yes |
| C44..1122 | Basal cell carcinoma of skin of right lower eyelid, including canthus | Yes |
| C44..119 | Basal cell carcinoma of skin of left eyelid, including canthus | No |
| C44..1191 | Basal cell carcinoma of skin of left upper eyelid, including canthus | Yes |
| C44..1192 | Basal cell carcinoma of skin of left lower eyelid, including canthus | Yes |
| C44..12 | Squamous cell carcinoma of skin of eyelid, including canthus | No |
| C44..121 | Squamous cell carcinoma of skin of unspecified eyelid, including canthus | Yes |
| C44..122 | Squamous cell carcinoma of skin of right eyelid, including canthus | No |
| C44..1221 | Squamous cell carcinoma of skin of right upper eyelid, including canthus | Yes |
| C44..1222 | Squamous cell carcinoma of skin of right lower eyelid, including canthus | Yes |
| C44..129 | Squamous cell carcinoma of skin of left eyelid, including canthus | No |
| C44..1291 | Squamous cell carcinoma of skin of left upper eyelid, including canthus | Yes |
| C44..1292 | Squamous cell carcinoma of skin of left lower eyelid, including canthus | Yes |
| C44..13 | Sebaceous cell carcinoma of skin of eyelid, including canthus | No |
| C44..131 | Sebaceous cell carcinoma of skin of unspecified eyelid, including canthus | Yes |
| C44..132 | Sebaceous cell carcinoma of skin of right eyelid, including canthus | No |
| C44..1321 | Sebaceous cell carcinoma of skin of right upper eyelid, including canthus | Yes |
| C44..1322 | Sebaceous cell carcinoma of skin of right lower eyelid, including canthus | Yes |
| C44..139 | Sebaceous cell carcinoma of skin of left eyelid, including canthus | No |
| C44..1391 | Sebaceous cell carcinoma of skin of left upper eyelid, including canthus | Yes |
| C44..1392 | Sebaceous cell carcinoma of skin of left lower eyelid, including canthus | Yes |
| C44..19 | Other specified malignant neoplasm of skin of eyelid, including canthus | No |
| C44..191 | Other specified malignant neoplasm of skin of unspecified eyelid, including canthus | Yes |
| C44..192 | Other specified malignant neoplasm of skin of right eyelid, including canthus | No |
| C44..1921 | Other specified malignant neoplasm of skin of right upper eyelid, including canthus | Yes |
| C44..1922 | Other specified malignant neoplasm of skin of right lower eyelid, including canthus | Yes |
| C44..199 | Other specified malignant neoplasm of skin of left eyelid, including canthus | No |
| C44..1991 | Other specified malignant neoplasm of skin of left upper eyelid, including canthus | Yes |
| C44..1992 | Other specified malignant neoplasm of skin of left lower eyelid, including canthus | Yes |
| C44..2 | Other and unspecified malignant neoplasm of skin of ear and external auricular canal | No |
| C44..20 | Unspecified malignant neoplasm of skin of ear and external auricular canal | No |
| C44..201 | Unspecified malignant neoplasm of skin of unspecified ear and external auricular canal | Yes |
| C44..202 | Unspecified malignant neoplasm of skin of right ear and external auricular canal | Yes |
| C44..209 | Unspecified malignant neoplasm of skin of left ear and external auricular canal | Yes |
| C44..21 | Basal cell carcinoma of skin of ear and external auricular canal | No |
| C44..211 | Basal cell carcinoma of skin of unspecified ear and external auricular canal | Yes |
| C44..212 | Basal cell carcinoma of skin of right ear and external auricular canal | Yes |
| C44..219 | Basal cell carcinoma of skin of left ear and external auricular canal | Yes |
| C44..22 | Squamous cell carcinoma of skin of ear and external auricular canal | No |
| C44..221 | Squamous cell carcinoma of skin of unspecified ear and external auricular canal | Yes |
| C44..222 | Squamous cell carcinoma of skin of right ear and external auricular canal | Yes |
| C44..229 | Squamous cell carcinoma of skin of left ear and external auricular canal | Yes |
| C44..29 | Other specified malignant neoplasm of skin of ear and external auricular canal | No |
| C44..291 | Other specified malignant neoplasm of skin of unspecified ear and external auricular canal | Yes |
| C44..292 | Other specified malignant neoplasm of skin of right ear and external auricular canal | Yes |
| C44..299 | Other specified malignant neoplasm of skin of left ear and external auricular canal | Yes |
| C44..3 | Other and unspecified malignant neoplasm of skin of other and unspecified parts of face | No |
| C44..30 | Unspecified malignant neoplasm of skin of other and unspecified parts of face | No |
| C44..300 | Unspecified malignant neoplasm of skin of unspecified part of face | Yes |
| C44..301 | Unspecified malignant neoplasm of skin of nose | Yes |
| C44..309 | Unspecified malignant neoplasm of skin of other parts of face | Yes |
| C44..31 | Basal cell carcinoma of skin of other and unspecified parts of face | No |
| C44..310 | Basal cell carcinoma of skin of unspecified parts of face | Yes |
| C44..311 | Basal cell carcinoma of skin of nose | Yes |
| C44..319 | Basal cell carcinoma of skin of other parts of face | Yes |
| C44..32 | Squamous cell carcinoma of skin of other and unspecified parts of face | No |
| C44..320 | Squamous cell carcinoma of skin of unspecified parts of face | Yes |
| C44..321 | Squamous cell carcinoma of skin of nose | Yes |
| C44..329 | Squamous cell carcinoma of skin of other parts of face | Yes |
| C44..39 | Other specified malignant neoplasm of skin of other and unspecified parts of face | No |
| C44..390 | Other specified malignant neoplasm of skin of unspecified parts of face | Yes |
| C44..391 | Other specified malignant neoplasm of skin of nose | Yes |
| C44..399 | Other specified malignant neoplasm of skin of other parts of face | Yes |
| C44..4 | Other and unspecified malignant neoplasm of skin of scalp and neck | No |
| C44..40 | Unspecified malignant neoplasm of skin of scalp and neck | Yes |
| C44..41 | Basal cell carcinoma of skin of scalp and neck | Yes |
| C44..42 | Squamous cell carcinoma of skin of scalp and neck | Yes |
| C44..49 | Other specified malignant neoplasm of skin of scalp and neck | Yes |
| C44..5 | Other and unspecified malignant neoplasm of skin of trunk | No |
| C44..50 | Unspecified malignant neoplasm of skin of trunk | No |
| C44..500 | Unspecified malignant neoplasm of anal skin | Yes |
| C44..501 | Unspecified malignant neoplasm of skin of breast | Yes |
| C44..509 | Unspecified malignant neoplasm of skin of other part of trunk | Yes |
| C44..51 | Basal cell carcinoma of skin of trunk | No |
| C44..510 | Basal cell carcinoma of anal skin | Yes |
| C44..511 | Basal cell carcinoma of skin of breast | Yes |
| C44..519 | Basal cell carcinoma of skin of other part of trunk | Yes |
| C44..52 | Squamous cell carcinoma of skin of trunk | No |
| C44..520 | Squamous cell carcinoma of anal skin | Yes |
| C44..521 | Squamous cell carcinoma of skin of breast | Yes |
| C44..529 | Squamous cell carcinoma of skin of other part of trunk | Yes |
| C44..59 | Other specified malignant neoplasm of skin of trunk | No |
| C44..590 | Other specified malignant neoplasm of anal skin | Yes |
| C44..591 | Other specified malignant neoplasm of skin of breast | Yes |
| C44..599 | Other specified malignant neoplasm of skin of other part of trunk | Yes |
| C44..6 | Other and unspecified malignant neoplasm of skin of upper limb, including shoulder | No |
| C44..60 | Unspecified malignant neoplasm of skin of upper limb, including shoulder | No |
| C44..601 | Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulder | Yes |
| C44..602 | Unspecified malignant neoplasm of skin of right upper limb, including shoulder | Yes |
| C44..609 | Unspecified malignant neoplasm of skin of left upper limb, including shoulder | Yes |
| C44..61 | Basal cell carcinoma of skin of upper limb, including shoulder | No |
| C44..611 | Basal cell carcinoma of skin of unspecified upper limb, including shoulder | Yes |
| C44..612 | Basal cell carcinoma of skin of right upper limb, including shoulder | Yes |
| C44..619 | Basal cell carcinoma of skin of left upper limb, including shoulder | Yes |
| C44..62 | Squamous cell carcinoma of skin of upper limb, including shoulder | No |
| C44..621 | Squamous cell carcinoma of skin of unspecified upper limb, including shoulder | Yes |
| C44..622 | Squamous cell carcinoma of skin of right upper limb, including shoulder | Yes |
| C44..629 | Squamous cell carcinoma of skin of left upper limb, including shoulder | Yes |
| C44..69 | Other specified malignant neoplasm of skin of upper limb, including shoulder | No |
| C44..691 | Other specified malignant neoplasm of skin of unspecified upper limb, including shoulder | Yes |
| C44..692 | Other specified malignant neoplasm of skin of right upper limb, including shoulder | Yes |
| C44..699 | Other specified malignant neoplasm of skin of left upper limb, including shoulder | Yes |
| C44..7 | Other and unspecified malignant neoplasm of skin of lower limb, including hip | No |
| C44..70 | Unspecified malignant neoplasm of skin of lower limb, including hip | No |
| C44..701 | Unspecified malignant neoplasm of skin of unspecified lower limb, including hip | Yes |
| C44..702 | Unspecified malignant neoplasm of skin of right lower limb, including hip | Yes |
| C44..709 | Unspecified malignant neoplasm of skin of left lower limb, including hip | Yes |
| C44..71 | Basal cell carcinoma of skin of lower limb, including hip | No |
| C44..711 | Basal cell carcinoma of skin of unspecified lower limb, including hip | Yes |
| C44..712 | Basal cell carcinoma of skin of right lower limb, including hip | Yes |
| C44..719 | Basal cell carcinoma of skin of left lower limb, including hip | Yes |
| C44..72 | Squamous cell carcinoma of skin of lower limb, including hip | No |
| C44..721 | Squamous cell carcinoma of skin of unspecified lower limb, including hip | Yes |
| C44..722 | Squamous cell carcinoma of skin of right lower limb, including hip | Yes |
| C44..729 | Squamous cell carcinoma of skin of left lower limb, including hip | Yes |
| C44..79 | Other specified malignant neoplasm of skin of lower limb, including hip | No |
| C44..791 | Other specified malignant neoplasm of skin of unspecified lower limb, including hip | Yes |
| C44..792 | Other specified malignant neoplasm of skin of right lower limb, including hip | Yes |
| C44..799 | Other specified malignant neoplasm of skin of left lower limb, including hip | Yes |
| C44..8 | Other and unspecified malignant neoplasm of overlapping sites of skin | No |
| C44..80 | Unspecified malignant neoplasm of overlapping sites of skin | Yes |
| C44..81 | Basal cell carcinoma of overlapping sites of skin | Yes |
| C44..82 | Squamous cell carcinoma of overlapping sites of skin | Yes |
| C44..89 | Other specified malignant neoplasm of overlapping sites of skin | Yes |
| C44..9 | Other and unspecified malignant neoplasm of skin, unspecified | No |
| C44..90 | Unspecified malignant neoplasm of skin, unspecified | Yes |
| C44..91 | Basal cell carcinoma of skin, unspecified | Yes |
| C44..92 | Squamous cell carcinoma of skin, unspecified | Yes |
| C44..99 | Other specified malignant neoplasm of skin, unspecified | Yes |
Last reviewed: September 2026