ICD-10 Code: C91.42 – Hairy cell leukemia, in relapse

ICD-10 code C91.42 corresponds to Hairy cell leukemia, in relapse. This code is classified under the chapter C91 Lymphoid leukemia, which is part of the C00-C96: Malignant neoplasms category.

The parent chapter is Neoplasms.