C83.0 vs C88.0
C83.0 (Small cell B-cell lymphoma) compared with C88.0 (Waldenström macroglobulinemia), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. C88.0 carries an Excludes1 note covering C83.0: “small cell B-cell lymphoma (C83.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| C83.0Small cell B-cell lymphoma | C88.0Waldenström macroglobulinemia | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Small cell B-cell lymphoma is a non-billable ICD-10-CM category code (C83.0). | Waldenström macroglobulinemia is a non-billable ICD-10-CM category code (C88.0). |
| Includes | Lymphoplasmacytic lymphoma Nodal marginal zone lymphoma Non-leukemic variant of B-CLL Splenic marginal zone lymphoma | Lymphoplasmacytic lymphoma with IgM-production Macroglobulinemia (idiopathic) (primary) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources