Is C44 a billable code?
No. C44 is a header code that groups 101 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
C44: Other and unspecified malignant neoplasm of skin
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
C44 groups related diagnoses under other and unspecified malignant neoplasm of skin. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under C44
- C44.00Unspecified malignant neoplasm of skin of lip
- C44.01Basal cell carcinoma of skin of lip
- C44.02Squamous cell carcinoma of skin of lip
- C44.09Other specified malignant neoplasm of skin of lip
- C44.101Unspecified malignant neoplasm of skin of unspecified eyelid, including canthus
- C44.1021Unspecified malignant neoplasm of skin of right upper eyelid, including canthus
- C44.1022Unspecified malignant neoplasm of skin of right lower eyelid, including canthus
- C44.1091Unspecified malignant neoplasm of skin of left upper eyelid, including canthus
- C44.1092Unspecified malignant neoplasm of skin of left lower eyelid, including canthus
- C44.111Basal cell carcinoma of skin of unspecified eyelid, including canthus
- C44.1121Basal cell carcinoma of skin of right upper eyelid, including canthus
- C44.1122Basal cell carcinoma of skin of right lower eyelid, including canthus
- C44.1191Basal cell carcinoma of skin of left upper eyelid, including canthus
- C44.1192Basal cell carcinoma of skin of left lower eyelid, including canthus
- C44.121Squamous cell carcinoma of skin of unspecified eyelid, including canthus
- C44.1221Squamous cell carcinoma of skin of right upper eyelid, including canthus
- C44.1222Squamous cell carcinoma of skin of right lower eyelid, including canthus
- C44.1291Squamous cell carcinoma of skin of left upper eyelid, including canthus
- C44.1292Squamous cell carcinoma of skin of left lower eyelid, including canthus
- C44.131Sebaceous cell carcinoma of skin of unspecified eyelid, including canthus
- C44.1321Sebaceous cell carcinoma of skin of right upper eyelid, including canthus
- C44.1322Sebaceous cell carcinoma of skin of right lower eyelid, including canthus
- C44.1391Sebaceous cell carcinoma of skin of left upper eyelid, including canthus
- C44.1392Sebaceous cell carcinoma of skin of left lower eyelid, including canthus
- C44.191Other specified malignant neoplasm of skin of unspecified eyelid, including canthus
- C44.1921Other specified malignant neoplasm of skin of right upper eyelid, including canthus
- C44.1922Other specified malignant neoplasm of skin of right lower eyelid, including canthus
- C44.1991Other specified malignant neoplasm of skin of left upper eyelid, including canthus
- C44.1992Other specified malignant neoplasm of skin of left lower eyelid, including canthus
- C44.201Unspecified malignant neoplasm of skin of unspecified ear and external auricular canal
- C44.202Unspecified malignant neoplasm of skin of right ear and external auricular canal
- C44.209Unspecified malignant neoplasm of skin of left ear and external auricular canal
- C44.211Basal cell carcinoma of skin of unspecified ear and external auricular canal
- C44.212Basal cell carcinoma of skin of right ear and external auricular canal
- C44.219Basal cell carcinoma of skin of left ear and external auricular canal
- C44.221Squamous cell carcinoma of skin of unspecified ear and external auricular canal
- C44.222Squamous cell carcinoma of skin of right ear and external auricular canal
- C44.229Squamous cell carcinoma of skin of left ear and external auricular canal
- C44.291Other specified malignant neoplasm of skin of unspecified ear and external auricular canal
- C44.292Other specified malignant neoplasm of skin of right ear and external auricular canal
- C44.299Other specified malignant neoplasm of skin of left ear and external auricular canal
- C44.300Unspecified malignant neoplasm of skin of unspecified part of face
- C44.301Unspecified malignant neoplasm of skin of nose
- C44.309Unspecified malignant neoplasm of skin of other parts of face
- C44.310Basal cell carcinoma of skin of unspecified parts of face
- C44.311Basal cell carcinoma of skin of nose
- C44.319Basal cell carcinoma of skin of other parts of face
- C44.320Squamous cell carcinoma of skin of unspecified parts of face
- C44.321Squamous cell carcinoma of skin of nose
- C44.329Squamous cell carcinoma of skin of other parts of face
- C44.390Other specified malignant neoplasm of skin of unspecified parts of face
- C44.391Other specified malignant neoplasm of skin of nose
- C44.399Other specified malignant neoplasm of skin of other parts of face
- C44.40Unspecified malignant neoplasm of skin of scalp and neck
- C44.41Basal cell carcinoma of skin of scalp and neck
- C44.42Squamous cell carcinoma of skin of scalp and neck
- C44.49Other specified malignant neoplasm of skin of scalp and neck
- C44.500Unspecified malignant neoplasm of anal skin
- C44.501Unspecified malignant neoplasm of skin of breast
- C44.509Unspecified malignant neoplasm of skin of other part of trunk
- C44.510Basal cell carcinoma of anal skin
- C44.511Basal cell carcinoma of skin of breast
- C44.519Basal cell carcinoma of skin of other part of trunk
- C44.520Squamous cell carcinoma of anal skin
- C44.521Squamous cell carcinoma of skin of breast
- C44.529Squamous cell carcinoma of skin of other part of trunk
- C44.590Other specified malignant neoplasm of anal skin
- C44.591Other specified malignant neoplasm of skin of breast
- C44.599Other specified malignant neoplasm of skin of other part of trunk
- C44.601Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulder
- C44.602Unspecified malignant neoplasm of skin of right upper limb, including shoulder
- C44.609Unspecified malignant neoplasm of skin of left upper limb, including shoulder
- C44.611Basal cell carcinoma of skin of unspecified upper limb, including shoulder
- C44.612Basal cell carcinoma of skin of right upper limb, including shoulder
- C44.619Basal cell carcinoma of skin of left upper limb, including shoulder
- C44.621Squamous cell carcinoma of skin of unspecified upper limb, including shoulder
- C44.622Squamous cell carcinoma of skin of right upper limb, including shoulder
- C44.629Squamous cell carcinoma of skin of left upper limb, including shoulder
- C44.691Other specified malignant neoplasm of skin of unspecified upper limb, including shoulder
- C44.692Other specified malignant neoplasm of skin of right upper limb, including shoulder
- C44.699Other specified malignant neoplasm of skin of left upper limb, including shoulder
- C44.701Unspecified malignant neoplasm of skin of unspecified lower limb, including hip
- C44.702Unspecified malignant neoplasm of skin of right lower limb, including hip
- C44.709Unspecified malignant neoplasm of skin of left lower limb, including hip
- C44.711Basal cell carcinoma of skin of unspecified lower limb, including hip
- C44.712Basal cell carcinoma of skin of right lower limb, including hip
- C44.719Basal cell carcinoma of skin of left lower limb, including hip
- C44.721Squamous cell carcinoma of skin of unspecified lower limb, including hip
- C44.722Squamous cell carcinoma of skin of right lower limb, including hip
- C44.729Squamous cell carcinoma of skin of left lower limb, including hip
- C44.791Other specified malignant neoplasm of skin of unspecified lower limb, including hip
- C44.792Other specified malignant neoplasm of skin of right lower limb, including hip
- C44.799Other specified malignant neoplasm of skin of left lower limb, including hip
- C44.80Unspecified malignant neoplasm of overlapping sites of skin
- C44.81Basal cell carcinoma of overlapping sites of skin
- C44.82Squamous cell carcinoma of overlapping sites of skin
- C44.89Other specified malignant neoplasm of overlapping sites of skin
- C44.90Unspecified malignant neoplasm of skin, unspecified
- C44.91Basal cell carcinoma of skin, unspecified
- C44.92Squamous cell carcinoma of skin, unspecified
- C44.99Other specified malignant neoplasm of skin, unspecified
C44 questions
What does C44 mean?
C44 is the ICD-10-CM code for Other and unspecified malignant neoplasm of skin. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.