ICD-10 Code C91.52 - Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse

ICD-10-CM Diagnosis Code C91.52

Diagnosis Code: C91.52 (Raw: C9152)

Description: Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code C91.52 is designated for Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.