C46.50 (Kaposi's sarcoma of unspecified lung) compared with C46.52 (Kaposi's sarcoma of left lung), from the official CMS tabular data. C46.50 and C46.52 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. C46.50 and C46.52 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| C46.50Kaposi's sarcoma of unspecified lung | C46.52Kaposi's sarcoma of left lung | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms | C00-D49 — Neoplasms |
| Definition | Kaposi's sarcoma of unspecified lung is a billable ICD-10-CM diagnosis code (C46.50). | Kaposi's sarcoma of left lung is a billable ICD-10-CM diagnosis code (C46.52). |
| Code first | any human immunodeficiency virus [HIV] disease (B20) | any human immunodeficiency virus [HIV] disease (B20) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources