C46.3 vs C91
C46.3 (Kaposi's sarcoma of lymph nodes) compared with C91 (Lymphoid leukemia), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. C91 carries an Excludes2 note covering C46.3: “Kaposi's sarcoma of lymph nodes (C46.3)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| C46.3Kaposi's sarcoma of lymph nodes | C91Lymphoid leukemia | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Kaposi's sarcoma of lymph nodes is a billable ICD-10-CM diagnosis code (C46.3). | Lymphoid leukemia is a non-billable ICD-10-CM category code (C91). |
| Code first | 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