C91.1: Chronic lymphocytic leukaemia of B-cell type


In outpatient care, the ICD code on medical documents is always appended with a diagnostic confidence indicator (A, G, V or Z): A (excluded diagnosis), G (confirmed diagnosis), V (tentative diagnosis) and Z (condition after a confirmed diagnosis).


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Chronic lymphocytic leukemia (CLL)

Chronic lymphocytic leukemia (CLL) is an “indolent” (slow-growing) form of lymphoma. In most cases there are no symptoms at the outset and it therefore is often detected by chance.