C44.590 – Other specified malignant neoplasm of anal skin

ICD-10-CM 2027 diagnosis code · Melanoma and other malignant neoplasms of skin

Billable code

ICD-10-CM code C44.590
Code
C44.590 (claims format: C44590)
Description
Other specified malignant neoplasm of anal skin
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
C43-C44 Melanoma and other malignant neoplasms of skin
Parent codes
C44 › C44.5 › C44.59

Notes for C44.590

Applicable to:
  • Other specified malignant neoplasm of anal margin
  • Other specified malignant neoplasm of perianal skin

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C44 – Other and unspecified malignant neoplasm of skin

Includes:
  • malignant neoplasm of sebaceous glands
  • malignant neoplasm of sweat glands
Excludes1 (not coded here):
  • 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.-)

C44.5 – Other and unspecified malignant neoplasm of skin of trunk

Excludes1 (not coded here):

Index terms for C44.590

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in C44.59

Frequently asked questions

What is ICD-10 code C44.590?

C44.590 is the ICD-10-CM code for other specified malignant neoplasm of anal skin, in the block C43-C44 (Melanoma and other malignant neoplasms of skin).

Is C44.590 a billable code?

Yes. C44.590 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C44.590 belong to?

It belongs to category C44 – Other and unspecified malignant neoplasm of skin.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.