Diseases of White Blood Cells

Why This Topic Matters

Accurate reporting of white blood cell disorders can depend on the specific type of count abnormality, the underlying cause, and whether the finding is clinically significant. This article helps readers navigate a revision that affects how these conditions are organized and recognized in coding workflows.

Article Sections

1. Effective date and scope of changes

   Introduces the timing of the update and the broad categories of white blood cell disorders affected by the revision.

2. Clinical background on white blood cells

   Provides general background on white blood cell function and broad clinical reasons white blood cell production may be reduced or increased.

3. Documentation and laboratory significance

   Discusses the importance of clinical concurrence and cautions about relying on laboratory findings alone.

4. ICD-9-CM category 288 revisions

   Outlines the revised white blood cell disease category, including new subcategories and code groups for low and elevated white blood cell counts and related syndromes.

5. Coding question: neutropenia after chemotherapy

   Presents a brief coding scenario involving neutropenia in the setting of chemotherapy and the related diagnosis coding context.