Sezary disease is a leukemic form of cutaneous T-cell lymphoma characterized by erythroderma, lymphadenopathy, and circulating malignant T-cells. When it presents in extranodal and solid organ sites, it indicates a more advanced stage of the disease, necessitating accurate coding with ICD-10 Code C84.19 for effective diagnosis, documentation, billing, and public health reporting.
ICD-10 Code C84.19 represents Sezary disease affecting extranodal and solid organ sites, indicating a severe manifestation of this cutaneous T-cell lymphoma. This code should be used when documenting cases where the disease has progressed beyond the skin, impacting other organs, thus ensuring accurate clinical documentation and appropriate billing practices.
Sezary disease is caused by malignant proliferation of T-lymphocytes, leading to systemic symptoms and potential organ involvement. It progresses from skin lesions to more severe systemic manifestations, requiring prompt medical intervention.
ICD-10 Code C84.19 is utilized in SOAP notes to document the clinical presentation, assessment, and treatment of patients with Sezary disease. It plays a crucial role in both acute and chronic care settings, ensuring comprehensive patient management.
In SOAP notes, ICD-10 Code C84.19 connects subjective patient reports and objective clinical findings to a formal diagnosis of Sezary disease. This ensures continuity of care, supports accurate billing, and meets EHR documentation standards.
Sezary disease requires urgent medical attention due to its aggressive nature and potential complications.


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Learn moreICD-10 Code C84.19 is critical in medical billing, particularly in hospital, ER, or infectious disease care settings.
| CPT Code | Description |
|---|---|
| 96413 | Chemotherapy administration, intravenous, for Sezary disease. |
| 99214 | Established patient office visit, moderate complexity. |
| 85025 | Complete blood count with differential. |
| 88305 | Pathology examination of skin biopsy. |
Common Questions About Using ICD-10 Code C84.19 for Sezary disease, extranodal and solid organ sites
What are the common symptoms of Sezary disease?
Common symptoms include widespread skin redness, itching, swollen lymph nodes, and systemic symptoms like fatigue and weight loss. Patients may also present with atypical T-cells in their blood.
How is Sezary disease diagnosed?
Diagnosis is typically made through clinical evaluation, skin biopsy, and blood tests showing atypical T-cells. Imaging may be used to assess organ involvement.
What treatments are available for Sezary disease?
Treatment options include systemic chemotherapy, photopheresis, and supportive care for symptom management. Referral to oncology is often necessary for specialized treatment.
Is Sezary disease contagious?
No, Sezary disease is not contagious. It is a malignancy of T-lymphocytes and does not spread from person to person.
Clinical Notes
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