Template:ICD10 Guideline leukemia vs lymphoma

This template is used to make sure there are consistent instructions in the leukemia and lymphoma pages.

Lymphoma codes:

Hodgkin's lymphoma (Hodgkin's disease) Lymphoma, NOS Non-Hodgkin's lymphoma T-cell lymphoma

Tina still needs to add the template call to all of these.

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Leukemia vs Lymphoma

Any lymphoma may have a leukemic phase where the abnormal clonal cells appear in the circulation. Though this is sometimes referred to as a "leukemia", even by some oncologists, that is technically incorrect and ICD10 considers them to be lymphomas. This applies to essentially ALL so-called B-cell leukemias, which are actually lymphomas. It also applies to "NK-cell leukemia" which is also a lymphoma

As such, the following so-called "leukemias" should be coded as follows:

• So-called B-cell leukemias describes several different types of lymphoid lymphomas which affect B cells -- and all these should be coded as Lymphoma, NOS
  • "B cell chronic lymphocytic leukemia"
  • "Precursor B cell lymphoblastic leukemia"
  • "Acute Lymphoblastic leukemia, mature B cell type"
  • "B cell prolymphocytic leukemia"

• So-called "NK-cell leukemia" -- code as T-cell lymphoma
  • Aggressive NK-cell leukemia (also called aggressive NK-cell lymphoma, or ANKL), is a very rare type of NHL. The body makes large numbers of NK cells that are larger than normal. It is grouped with T-cell lymphomas.
  • There is a very rare slow-growing (indolent) type of NK-cell leukemia that has a more favorable prognosis. It is called chronic NK-cell leukemia and is treated like T-cell large granular lymphocytic leukemia.
• The most common type of lymphoid leukemia is B-cell chronic lymphocytic leukemia.