C83.390 — Primary central nervous system lymphoma
Is C83.390 billable?
Yes — C83.390 is billable for FY2027. C83.390 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C83.390 may be submitted for encounters from October 1, 2026 through September 30, 2027.
C83.390 at a glance
| Code | C83.390 |
|---|---|
| Description | Primary central nervous system lymphoma |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C83.390 group to?
C83.390 sits in MDC 17 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 820Lymphoma and Leukemia with Major O.R. Procedures with MCCsurgical
- 821Lymphoma and Leukemia with Major O.R. Procedures with CCsurgical
- 822Lymphoma and Leukemia with Major O.R. Procedures without CC/MCCsurgical
As a secondary diagnosis, C83.390 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is C83.390 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to C83.390. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Lymphoma › primary central nervous system (of) (malignant)
- Lymphoma › diffuse large cell › primary central nervous system (of) (malignant)
- Lymphoma › primary central nervous system › diffuse large B-cell (of) (malignant)
Excludes1 — never code together
The conditions below can never be reported together with C83.390 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Inclusion terms
Alternative wording in documentation that is classified to C83.390.
- PCNSL of brain
- PCNSL of meninges
- PCNSL of spinal cord
- PCNSL NOS
Excludes1 — never code together — inherited from C83
The conditions below can never be reported together with C83.390 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- personal history of non-Hodgkin lymphoma (Z85.72)
Excludes1 — never code together — inherited from C83.3
The conditions below can never be reported together with C83.390 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from C81-C96
The conditions below are not part of C83.390, but a patient may have both at the same time. When documentation supports it, C83.390 and the excluded code may both be reported.
How long has C83.390 existed?
C83.390 first appears in FY2025.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.