Complete ICD-10-CM coding and documentation guide for icd-10 coding for central nervous system lymphoma includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Central Nervous System Lymphoma
Use ICD-10 code C83.390 for primary central nervous system lymphoma, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Other specified disorders of brain
Use for associated cerebral edema.
Altered mental status, unspecified
Use for associated symptoms.
Personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissue
Use if treatment has ceased and history is relevant.
The ICD-10 code for primary central nervous system lymphoma is C83.390, effective from October 2025.
Secondary CNS lymphoma is coded as C79.31, indicating a secondary malignant neoplasm of the brain.