U.S. ICD-10-CM · FY 2027

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.

Code definition

Official description

C44

Other and unspecified malignant neoplasm of skin

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where C44 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Melanoma and other malignant neoplasms of skin (C43-C44)

  3. 3

    Category C44

    Other and unspecified malignant neoplasm of skin

  4. 4

    Code C44

    Other and unspecified malignant neoplasm of skin

More specific choices

Codes under C44

C44 is a non-billable category. Choose the child code that best matches the documented diagnosis.

C44.0

Other and unspecified malignant neoplasm of skin of lip

C44.1

Other and unspecified malignant neoplasm of skin of eyelid, including canthus

C44.2

Other and unspecified malignant neoplasm of skin of ear and external auricular canal

C44.3

Other and unspecified malignant neoplasm of skin of other and unspecified parts of face

C44.4

Other and unspecified malignant neoplasm of skin of scalp and neck

C44.5

Other and unspecified malignant neoplasm of skin of trunk

C44.6

Other and unspecified malignant neoplasm of skin of upper limb, including shoulder

C44.7

Other and unspecified malignant neoplasm of skin of lower limb, including hip

C44.8

Other and unspecified malignant neoplasm of overlapping sites of skin

C44.9

Other and unspecified malignant neoplasm of skin, unspecified

Documentation details

Notes 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.

Transparency

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

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.

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