All ICD10 Codes
C46Not billable, use a more specific code below

Kaposi's sarcoma

In Malignant neoplasms of mesothelial and soft tissue (C45-C49), chapter 2: Neoplasms

10 billable codes under C46: all are a CC; all map to HCC 21 (Lymphoma and Other Cancers).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.

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Instructional notes

Code first: code the underlying condition first, then this code

  • any human immunodeficiency virus [HIV] disease (B20)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.

Read Section I.C.2 (page 32), 12 more topics

All codes under C46

C46 can't be used on a claim. Pick a billable code below; grey headings group them.

C46 MS-DRGs

As the principal diagnosis, the billable codes under C46 group to these 23 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to C46

Notes on these codes point to C46.

  • D47.Z2 Excludes2: Kaposi's sarcoma (C46.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Kaposi Sarcoma

Kaposi sarcoma, sometimes called KS, is a type of cancer. It causes lesions (abnormal tissue) to grow in different parts of the body, including: These lesions are usually red or purple. They are made of cancer cells, new blood vessels, and blood cells. The lesions may begin in more than one place in the body at the same time. This makes Kaposi sarcoma different from other cancers.

Read more about kaposi sarcoma on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.