202: Other malignant neoplasms of lymphoid and histiocytic tissue
Requires fifth digit. see note before section 200 for codes and definitions.
202.5 Letterer-Siwe disease
[0-8]
Acute:
differentiated progressive histiocytosis
histiocytosis X (progressive)
infantile reticuloendotheliosis
reticulosis of infancy
Excludes:
adult pulmonary Langerhans cell histiocytosis (516.5)
Hand-Schüller-Christian disease (277.89)
histiocytosis (acute) (chronic) (277.89)
histiocytosis X (chronic) (277.89)

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