C44

Non-billable

Other and unspecified malignant neoplasm of skin

Other and unspecified malignant neoplasm of skin

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

C43-C44

Child Codes

10

Coding Notes

Includes

Conditions included under this code

  • malignant neoplasm of sebaceous glands
  • malignant neoplasm of sweat glands

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • 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.-)

Child Codes (10)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code C44?

ICD-10-CM code C44 represents "Other and unspecified malignant neoplasm of skin". It is a non-billable header code — use a more specific child code for billing purposes.

Is C44 a billable code?

No, C44 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under C44.

What chapter is C44 in?

C44 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C44?

C44 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of skin (C46.0); malignant melanoma of skin (C43.-); malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2); and 1 more.

What are the subcategories under C44?

C44 has 10 child codes, including: C44.0 (Other and unspecified malignant neoplasm of skin of lip), C44.1 (Oth and unsp malignant neoplasm skin/ eyelid, inc canthus), C44.2 (Oth and unsp malig neoplasm skin/ ear and extrn auric canal), C44.3 (Oth and unsp malignant neoplasm skin/ and unsp parts of face), and 6 more.

What are the UMLS CUIs for C44?

C44 is linked to 3 UMLS Concept Unique Identifiers: C1382026, C1321904, C3161362. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.