C44.0 is the authoritative medical code for Other and unspecified malignant neoplasm of skin of lip. This classification is used in medical billing and clinical recording to specify the clinical criteria for other and unspecified malignant neoplasm of skin of lip (ICD-10-CM C44.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Other and unspecified malignant neoplasm of skin of lip is a non-billable ICD-10-CM category code C44.0. A more specific billable subcode must be selected for claims submission. Includes: malignant neoplasm of sebaceous glands; malignant neoplasm of sweat glands. Excludes1 (not coded here): malignant neoplasm of lip C00.-; 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.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for C44.0 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- malignant neoplasm of sebaceous glands
- malignant neoplasm of sweat glands
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- malignant neoplasm of lip C00.-
- 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.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can C44.0 be billed directly?
No. C44.0 (Other and unspecified malignant neoplasm of skin of lip) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with C44.0?
Per Excludes1 instructions, C44.0 must not be reported with: malignant neoplasm of lip (C00.-); Kaposi's sarcoma of skin (C46.0); malignant melanoma of skin (C43.-); malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as C44.0, with their registry titles.
- C44 — Other and unspecified malignant neoplasm of skin
- 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
- C44.1 — Other and unspecified malignant neoplasm of skin of eyelid, including canthus
- C44.10 — Unspecified malignant neoplasm of skin of eyelid, including canthus
- C44.101 — Unspecified malignant neoplasm of skin of unspecified eyelid, including canthus
- C44.102 — Unspecified malignant neoplasm of skin of right 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
- C44.109 — Unspecified malignant neoplasm of skin of left 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
- C44.11 — Basal cell carcinoma of skin of eyelid, including canthus
- C44.111 — Basal cell carcinoma of skin of unspecified eyelid, including canthus
- C44.112 — Basal cell carcinoma of skin of right 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
- C44.119 — Basal cell carcinoma of skin of left 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
- C44.12 — Squamous cell carcinoma of skin of eyelid, including canthus
- C44.121 — Squamous cell carcinoma of skin of unspecified eyelid, including canthus
- C44.122 — Squamous cell carcinoma of skin of right 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
- C44.129 — Squamous cell carcinoma of skin of left 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
- C44.13 — Sebaceous cell carcinoma of skin of eyelid, including canthus
- C44.131 — Sebaceous cell carcinoma of skin of unspecified eyelid, including canthus
- C44.132 — Sebaceous cell carcinoma of skin of right 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
- C44.139 — Sebaceous cell carcinoma of skin of left 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
- C44.19 — Other specified malignant neoplasm of skin of eyelid, including canthus
- C44.191 — Other specified malignant neoplasm of skin of unspecified eyelid, including canthus
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
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ICD Code C40.0
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ICD Code C47.0
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ICD Code C49.0
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