C91.42✓ Billable
Hairy cell leukemia, in relapse
Code Hierarchy
┌2Neoplasms (C00-D49)├C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)├C91Lymphoid leukemia
└C91.42Hairy cell leukemia, in relapse
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