C83.390 vs C83.79
C83.390 (Primary central nervous system lymphoma) compared with C83.79 (Burkitt lymphoma, extranodal and solid organ sites), 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. C83.390 carries an Excludes1 note covering C83.79: “Primary central nervous system lymphoma, Burkitt (C83.79)”
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
| C83.390Primary central nervous system lymphoma | C83.79Burkitt lymphoma, extranodal and solid organ sites | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Primary central nervous system lymphoma is a billable ICD-10-CM diagnosis code (C83.390). | Burkitt lymphoma, extranodal and solid organ sites is a billable ICD-10-CM diagnosis code (C83.79). |
| Includes | PCNSL of brain PCNSL of meninges PCNSL of spinal cord PCNSL NOS | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources