C84.A
Non-billableCutaneous T-cell lymphoma, unspecified
C84.A is the ICD-10-CM code for Cutaneous T-cell lymphoma, unspecified. It is a non-billable category code — use a more specific child code such as C84.A0 for billing.
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHLymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease . The rest are called non-Hodgkin lymphomas. Non-Hodgkin lymphomas begin when a type of white blood cell, called a T cell or B cell, becomes abnormal. The cell divides again and again, making more and more abnormal cells. These abnormal cells can spread to almost any other part…
Read more about Lymphoma at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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