Questions 56 – 68: Laboratory studies at diagnosis

For each laboratory study, indicate if the test result was known at the time of diagnosis. If Known, report the result and the unit of measure, if applicable.

All report lab values from diagnosis must reflect testing performed prior to any treatment for the histology at diagnosis as specified above. If testing was not performed near the time of diagnosis (within approximately 30 days) and prior to the initiation of treatment, report Unknown.

  • WBC (mantel cell and all Hodgkin histologies): The white blood cell count is a value that represents all of the white blood cells in the blood. If the count is too high or too low, the ability to fight infection may be impaired.
  • Hemoglobin (follicular and all Hodgkin histologies): Hemoglobin is a molecule in red blood cells that delivers oxygen to tissues throughout the body. A low hemoglobin count is considered “anemia” and blood transfusions or growth factors may be required to increase the hemoglobin level.
  • *Absolute lymphocyte count( (all Hodgkin histologies): The total number of lymphocytes, a subtype of white blood cells.
  • Lymphocytes (percentage) (all Hodgkin histologies): Lymphocytes are another subtype of white blood cell that fights infection. The value on the laboratory report may be a percentage of an absolute value. If an absolute value is reported, divide it by the white blood cell count for a percentage.
  • Serum albumin _(all Hodgkin histologies)): Serum albumin is a protein found in the blood. Levels are most often reported on a chemistry panel but may occasionally be found in a separate liver function test report.
  • LDH (all histologies): Lactate dehydrogenase is an enzyme found in the cytoplasm of almost all tissues, which converts L-lactate into pyruvate, or pyruvate into L-lactate depending on the oxygen level. If Known, also specify the upper limit of normal.

Section Updates:

Question Number Date of Change Add/Remove/Modify Description Reasoning (If applicable)
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Last modified: Dec 15, 2025

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