ICD10
ICD-10 Code C44.0: Other and unspecified malignant neoplasm of skin of lip
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).
When is it used?
- May be used when a clinician documents other and unspecified malignant neoplasm of skin of lip in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
2Neoplasms (C00-D49)
block
C00-C96Malignant neoplasms
block
C00-C75Malignant neoplasms, stated or presumed to be primary (of specified sites), and certain specified histologies, except neuroendocrine, and of lymphoid, hematopoietic and related tissue
block
C43-C44Melanoma and other malignant neoplasms of skin
category
C44Other and unspecified malignant neoplasm of skin
currentC44
Official coding notes
Excludes1 (do not code together)
- malignant neoplasm of lip (C00.-)
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
OncologistGeneral PhysicianDermatologist
Related codes
Sibling codes
C44.1Other and unspecified malignant neoplasm of skin of eyelid, including canthusC44.2Other and unspecified malignant neoplasm of skin of ear and external auricular canalC44.3Other and unspecified malignant neoplasm of skin of other and unspecified parts of faceC44.4Other and unspecified malignant neoplasm of skin of scalp and neckC44.5Other and unspecified malignant neoplasm of skin of trunkC44.6Other and unspecified malignant neoplasm of skin of upper limb, including shoulderC44.7Other and unspecified malignant neoplasm of skin of lower limb, including hipC44.8Other and unspecified malignant neoplasm of overlapping sites of skinC44.9Other and unspecified malignant neoplasm of skin, unspecified
Mapped diagnoses and classifications
SNOMED_CT 402506005high
Basal cell carcinoma of lower lip
Source: SNOMED International ICD-10 map
SNOMED_CT 402819001high
Basal cell carcinoma of skin of lip
Source: SNOMED International ICD-10 map
SNOMED_CT 402505009high
Basal cell carcinoma of upper lip
Source: SNOMED International ICD-10 map
SNOMED_CT 352081000119108high
Primary Merkel cell carcinoma of skin of lip
Source: SNOMED International ICD-10 map
SNOMED_CT 16091411000119109high
Primary angiosarcoma of skin of lip
Source: SNOMED International ICD-10 map
SNOMED_CT 94032008high
Primary malignant neoplasm of skin of lip
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
C44.0
Replacement codes
C44.00 — Unspecified malignant neoplasm of skin of lipC44.01 — Basal cell carcinoma of skin of lipC44.02 — Squamous cell carcinoma of skin of lipC44.09 — Other specified malignant neoplasm of skin of lip
Common synonyms
Other and unspecified malignant neoplasm of skin of lipOther and malignant neoplasm of skin of lip
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.