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chronic lymphocytic leukemia

Medical Definition

Chronic leukemia characterized by morphologically mature but immunologically less mature lymphocytes; manifested by an abnormal accumulation of these cells in blood, bone marrow, and lymphatic tissue.

Wikipedia Summary

Chronic lymphocytic leukemia (CLL) is a type of cancer that affects the blood and bone marrow. In CLL, the bone marrow makes too many lymphocytes, which are a type of white blood cell...
Related Codes (9)
Code
Description
Billable
Details
C83.01Small cell B-cell lymphoma, lymph nodes of head, face, and neck
C83.04Small cell B-cell lymphoma, lymph nodes of axilla and upper limb
C83.05Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limb
C83.08Small cell B-cell lymphoma, lymph nodes of multiple sites
C83.0ASmall cell B-cell lymphoma, in remission
C91.1Chronic lymphocytic leukemia of B-cell type
Type 1 Excludes (1)
C91.10Chronic lymphocytic leukemia of B-cell type not having achieved remission
C91.11Chronic lymphocytic leukemia of B-cell type in remission
C91.12Chronic lymphocytic leukemia of B-cell type in relapse

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