ICD-10 Diagnosis Code C84.A0

Cutaneous T-cell lymphoma, unspecified, unspecified site

Diagnosis Code C84.A0

ICD-10: C84.A0
Short Description: Cutaneous T-cell lymphoma, unspecified, unspecified site
Long Description: Cutaneous T-cell lymphoma, unspecified, unspecified site
This is the 2018 version of the ICD-10-CM diagnosis code C84.A0

Valid for Submission
The code C84.A0 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Neoplasms (C00–D48)
    • Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
      • Mature T/NK-cell lymphomas (C84)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code C84.A0 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • CD-30 negative cutaneous T-cell lymphoma
  • CD-30 negative pleomorphic large T-cell cutaneous lymphoma
  • Cutaneous/peripheral T-cell lymphoma
  • Pleomorphic small/medium-sized cell cutaneous T-cell lymphoma
  • Primary cutaneous large T-cell lymphoma
  • Primary cutaneous T-cell lymphoma

Information for Patients


Also called: Non-Hodgkin lymphoma

Lymphoma 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 of the body. Most of the time, doctors don't know why a person gets non-Hodgkin lymphoma. You are at increased risk if you have a weakened immune system or have certain types of infections.

Non-Hodgkin lymphoma can cause many symptoms, such as

  • Swollen, painless lymph nodes in the neck, armpits or groin
  • Unexplained weight loss
  • Fever
  • Soaking night sweats
  • Coughing, trouble breathing or chest pain
  • Weakness and tiredness that don't go away
  • Pain, swelling or a feeling of fullness in the abdomen

Your doctor will diagnose lymphoma with a physical exam, blood tests, a chest x-ray, and a biopsy. Treatments include chemotherapy, radiation therapy, targeted therapy, biological therapy, or therapy to remove proteins from the blood. Targeted therapy uses substances that attack cancer cells without harming normal cells. Biologic therapy boosts your body's own ability to fight cancer. If you don't have symptoms, you may not need treatment right away. This is called watchful waiting.

NIH: National Cancer Institute

  • After chemotherapy - discharge (Medical Encyclopedia)
  • B-cell leukemia/lymphoma panel (Medical Encyclopedia)
  • Bone marrow transplant (Medical Encyclopedia)
  • Burkitt lymphoma (Medical Encyclopedia)
  • Lymph node biopsy (Medical Encyclopedia)
  • Non-Hodgkin lymphoma (Medical Encyclopedia)
  • Non-Hodgkin lymphoma - children (Medical Encyclopedia)
  • Understanding Chemotherapy - NIH - Easy-to-Read (National Cancer Institute)
  • What to Know about Brachytherapy (A Type of Internal Radiation Therapy) - NIH - Easy-to-Read (National Cancer Institute)
  • What to Know about External Beam Radiation Therapy - NIH - Easy-to-Read (National Cancer Institute)

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