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Name of the Condition
- Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of multiple sites. This falls under the International Classification of Diseases (ICD) code C83.98.
Summary
Non-follicular (diffuse) lymphoma is a type of non-Hodgkin lymphoma characterized by abnormal growth of lymphoid cells that do not form follicular structures. It involves the proliferation of B-cells or T-cells in lymph nodes or other lymphoid tissues, with no specific histologic subtype identified. This code specifies involvement of lymph nodes in multiple sites.
Causes
The exact cause of this condition is not well understood but may involve genetic mutations, a weakened immune system, and environmental factors. Certain infections, such as Epstein-Barr virus, can also play a role in the development of lymphomas.
Risk Factors
- Age (more common in older adults)
- Family history of lymphoma
- Exposure to certain chemicals or radiation
- Presence of autoimmune diseases or immunosuppression
Symptoms
- Swollen, painless lymph nodes in multiple areas
- Unexplained weight loss
- Fever and night sweats
- Fatigue
- Loss of appetite
Diagnosis
Diagnosis involves a combination of physical examination, imaging studies (e.g., CT or PET scans) to identify affected areas, biopsy of lymph nodes or tissues for laboratory analysis, and blood tests to assess overall health and detect abnormal cell markers.
Treatment Options
- Chemotherapy to kill cancer cells
- Radiation therapy to target affected lymph nodes
- Immunotherapy to boost the immune system
- Stem cell transplant in advanced cases
Prognosis and Follow-Up
Prognosis varies based on the extent of disease, patient age, and overall health. Regular follow-up with imaging and blood tests is essential to monitor for recurrence or progression. Treatment response and long-term outcomes depend on individual factors.
Complications
- Spread of cancer to other organs
- Infections due to weakened immune system
- Side effects from treatment (e.g., fatigue, nausea)
- Lymphedema from lymph node involvement
Lifestyle & Prevention
- Maintain a healthy immune system through balanced nutrition and regular exercise
- Avoid exposure to known carcinogens (e.g., certain chemicals, radiation)
- Manage underlying autoimmune conditions with medical supervision
- Stay up-to-date with vaccinations to reduce infection risk
When to Seek Professional Help
Seek immediate medical attention for persistent swollen lymph nodes, unexplained weight loss, or severe fatigue. Early evaluation is critical for timely diagnosis and treatment planning.
Tips for Medical Coders
Document the specific sites of lymph node involvement to support the use of C83.98. Ensure clinical documentation aligns with the "multiple sites" specification, as this code is distinct from those indicating single-site or unspecified-site involvement. Verify that no more specific lymphoma subtype is documented, as this code applies to unspecified non-follicular (diffuse) lymphoma.
Medical Policies and Guidelines
Related policies from health plans
C83.98 policy automation walkthrough
Walk through the policies, prior authorization requirements, and workflow automation opportunities connected to this code.