C44 ICD-10-CM Code: Other and unspecified malignant neoplasm of skin
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
C44Other and unspecified malignant neoplasm of skin
ICD-10-CM diagnosis code · United States clinical modification
Where C44 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Melanoma and other malignant neoplasms of skin (C43-C44)
- 3
Category C44
Other and unspecified malignant neoplasm of skin
- 4
Code C44
Other and unspecified malignant neoplasm of skin
Codes under C44
C44 is a non-billable category. Choose the child code that best matches the documented diagnosis.
C44.0Other and unspecified malignant neoplasm of skin of lipC44.1Other 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, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for C44.
Code first
No “code first” instruction is listed for C44.
Use additional code
No “use additional code” instruction is listed for C44.
Excludes1
Conditions that should not be reported together with this code.
- 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.-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C44.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code C44 mean?
C44 is the FY 2027 U.S. ICD-10-CM code for “Other and unspecified malignant neoplasm of skin.”
Is C44 a billable or specific ICD-10-CM code?
No. C44 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C44 located in ICD-10-CM?
C44 is listed in Chapter 2, Neoplasms (C00-D49), within Melanoma and other malignant neoplasms of skin (C43-C44) (C43–C44), under category C44, Other and unspecified malignant neoplasm of skin.
What coding notes are listed for C44?
No inclusion terms are listed for C44 in this reference record. No code-first instruction is listed. Excludes1 notes: 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.-). No Excludes2 note is listed.