C91.6 is the ICD-10 code for Prolymphocytic leukaemia of T-cell type. It is a four-character subcategory of C91 (Lymphoid leukaemia), the most specific level in the WHO edition. It belongs to the block C81–C96 (Malignant neoplasms, stated or presumed to be primary, of lymphoid, haematopoietic and related tissue) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
C91.6 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C91.6Prolymfocyttleukemi av T-celletype
DC916Prolymfocyt leukæmi af T-celle type
C91.6Prolymphozyten-Leukämie vom T-Zell-Typ
C91.6Leucémie prolymphocytaire T
C91.6prolymfocytaire leukemie van T-celtype
Listed through more specific codes:
- C91.60Prolymphocytic leukemia of T-cell type not having achieved remission
- C91.61Prolymphocytic leukemia of T-cell type, in remission
- C91.62Prolymphocytic leukemia of T-cell type, in relapse
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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