ICD-10-CM · Chapter 2

C91..5 Adult T-cell lymphoma/leukemia (HTLV-1-associated)

Non-billable header

← C91 — Lymphoid leukemia Chapter 2: C00-D49

Includes

Acute variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Chronic variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Lymphomatoid variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Smouldering variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)

Last reviewed: September 2026