Adult T-cell lymphocytic leukemia/lymphoma (ATL) is a malignancy associated with the human T-cell lymphotropic virus type 1 (HTLV-1). The condition is characterized by the proliferation of malignant T-cells and can lead to severe complications. The ICD-10 Code C91.50 is crucial for accurate diagnosis, documentation, and billing, ensuring proper treatment and public health reporting.
ICD-10 Code C91.50 represents Adult T-cell lymphocytic leukemia/lymphoma associated with HTLV-1 that has not achieved remission. This code is used when the disease persists despite treatment efforts, indicating a need for ongoing management and monitoring. It is essential for clinical documentation and billing to reflect the severity and complexity of the patient's condition.
Adult T-cell lymphocytic leukemia/lymphoma (ATL) is caused by infection with HTLV-1, leading to uncontrolled proliferation of T-cells. The disease can progress rapidly, requiring immediate medical intervention to manage symptoms and prevent complications.
ICD-10 Code C91.50 is utilized in SOAP notes to document the patient's ongoing symptoms, assessment findings, and treatment plans. It is relevant in both acute and chronic care settings, ensuring comprehensive care and accurate billing.
In SOAP notes, ICD-10 Code C91.50 connects subjective patient-reported symptoms and objective clinical findings to a formal diagnosis. This code supports continuity of care, facilitates billing, and meets EHR documentation standards.
Management of Adult T-cell lymphocytic leukemia/lymphoma requires urgent intervention, often necessitating hospitalization for intensive treatment.


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Learn moreICD-10 Code C91.50 is critical for accurate billing in hospital and outpatient settings, particularly in oncology and infectious disease care.
| CPT Code | Description |
|---|---|
| 96413 | Chemotherapy administration, intravenous, push technique. |
| 36415 | Collection of venous blood by venipuncture. |
| 99223 | Initial hospital care, typically 70 minutes or more. |
Common Questions About Using ICD-10 Code C91.50 for Adult T-cell lymph/leuk (HTLV-1-assoc) not achieve remission
What are the common symptoms of Adult T-cell lymph/leuk (HTLV-1-assoc)?
Common symptoms include persistent fatigue, weight loss, lymphadenopathy, skin lesions, and hypercalcemia. Patients may also experience night sweats and fever.
How is Adult T-cell lymph/leuk (HTLV-1-assoc) treated?
Treatment typically involves chemotherapy, supportive care for symptoms, and monitoring for complications. Hospitalization may be required for intensive management.
What is the significance of the C91.50 code in billing?
The C91.50 code is essential for accurately documenting the patient's condition, ensuring appropriate reimbursement for the complexity of care provided.
When should C91.50 be used in clinical documentation?
C91.50 should be used when documenting cases of Adult T-cell lymph/leuk (HTLV-1-assoc) that have not achieved remission, reflecting the ongoing nature of the disease.
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