C83.390
Primary central nervous system lymphoma
Clinical Classification Guidelines
Inclusion Terms
- PCNSL of brain
- PCNSL of meninges
- PCNSL of spinal cord
- PCNSL NOS
Excludes Type 1
- Primary central nervous system lymphoma, Burkitt (C83.79)
- Primary central nervous system lymphoma, lymphoblastic (C83.59)
- Primary central nervous system lymphoma, other (C83.89)
- Primary central nervous system lymphoma, peripheral T-cell (C84.49)
Medical Intelligence & Overview
Primary central nervous system lymphoma (PCNSL) is a rare form of non-Hodgkin lymphoma that occurs within the brain, spinal cord, or membranes covering these areas. It originates directly in the central nervous system (CNS), including the brain, meninges, or spinal cord, without spreading from other parts of the body. Recognized under ICD-10 code C83.390, this condition can affect individuals of various ages, though it is more common in those with weakened immune systems. Early diagnosis and treatment are key to managing PCNSL effectively.
Causes & Symptoms
Clinical Causes: Impaired immune system, such as in HIV/AIDS patients Infections with viruses like Epstein-Barr virus (EBV) Certain medical treatments like immunosuppressive therapy after organ transplantation Genetic mutations affecting lymphocyte regulation Idiopathic, where no specific cause is identified
Key Symptoms: Localized neurological deficits, such as weakness or numbness Headaches, often persistent or worsening Seizures or convulsions Changes in mental status, including confusion or memory loss Visual disturbances or problems with coordination Unexplained nausea or vomiting Difficulty with speech or understanding language Focal neurological signs depending on tumor location
Diagnostic & Treatment
Diagnosis Path: Diagnosing primary CNS lymphoma involves a combination of medical evaluations, imaging tests, and laboratory procedures, including: - Magnetic resonance imaging (MRI) scans to visualize brain or spinal cord abnormalities - Cerebrospinal fluid (CSF) analysis via lumbar puncture to detect lymphoma cells or markers - Brain biopsy to confirm the presence of lymphoma cells and determine the specific type - Additional tests, such as blood work and imaging scans (CT or PET), to rule out systemic lymphoma Proper diagnosis necessitates collaboration among neurologists, oncologists, and radiologists to ensure accurate identification and staging.
Treatment Protocols: Management of primary central nervous system lymphoma typically involves a multidisciplinary approach, including: - High-dose corticosteroids to reduce swelling and decrease tumor size temporarily - Chemotherapy, often with agents like methotrexate that can penetrate the blood-brain barrier - Whole brain radiation therapy (WBRT) to target residual tumor cells - Stem cell transplantation in selected cases - Supportive care to manage symptoms and improve quality of life Treatment plans are tailored to individual patient factors, such as age, overall health, and disease extent. Ongoing research aims to enhance therapeutic effectiveness and reduce side effects.
Clinical Advice & FAQs
Billing Guidance
Is C83.390 a billable ICD-10 code?
Yes, C83.390 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report C83.390?
Clinical documentation must specify the nature of Primary central nervous system lymphoma and any associated comorbidities for accurate reporting.
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