ICD-10 Code C91.A2 – Mature B-cell leukemia Burkitt-type, in relapse (2026): Diagnosis, Symptoms & Billing Guide
The ICD-10 code for Mature B-cell leukemia Burkitt-type, in relapse is C91.A2.2026 ICD-10-CM Diagnosis Code C91.A2 – Mature B-cell leukemia Burkitt-type, in relapse Related ICD-10 Codes Parent code: C91 – Lymphoid leukemia What it is C91.A2 identifies relapse of mature B-cell leukemia, Burkitt-type. Use it when this specific leukemia has returned after prior remission or…