ICD-10-CM 2027 diagnosis code

C46.5Kaposi's sarcoma of lung

Not billable — use a more specific code

C46.5 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About C46.5

C46.5 is the ICD-10-CM diagnosis code for Kaposi's sarcoma of lung. It belongs to category C46 (Kaposi's sarcoma), block C45-C49 (malignant neoplasms of mesothelial and soft tissue) and chapter 2 (neoplasms). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within C46 (Kaposi's sarcoma), C46.5 is specifically for Kaposi's sarcoma of lung. Related codes cover of skin (C46.0), of soft tissue (C46.1), of palate (C46.2), of lymph nodes (C46.3), of gastrointestinal sites (C46.4), of other sites (C46.7) and unspecified (C46.9).

To report this condition, pick the subcode that matches the documentation: C46.50 (lung), C46.51 (lung) and C46.52 (lung).

Code first: any human immunodeficiency virus [HIV] disease (B20).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under C46.5

Notes that apply from higher levels

Instructions written at a parent level also apply to C46.5.

› From C46 Kaposi's sarcoma

Code first

any human immunodeficiency virus [HIV] disease (B20)

Broader instructions also apply from Chapter 2: Neoplasms.

Alphabetic index entries

2 entries

Terms in the official ICD-10-CM index that lead to C46.5.

Codes whose notes reference C46.5

C34Excludes1

Code history

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2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about C46.5

Is C46.5 billable?: No. C46.5 is a header code. Report one of its more specific subcodes instead.