2A70.0

ICD-11 MMS 2026-01

B lymphoblastic leukaemia or lymphoma, not elsewhere classified

Description

Precursor B cell neoplasm without defined recurrent genetic abnormality despite appropriate diagnostics

Index terms

  • B lymphoblastic leukaemia or lymphoma, not elsewhere classified
  • B-precursor lymphoma
  • Common precursor B ALL
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  • LBL - [lymphoblastic lymphoma]
  • Lymphoblastic B-cell lymphoma
  • Lymphoblastic lymphoma, NOS
  • Pro-B ALL
  • c-ALL

Exclusions from above levels

  • 2E03 – Malignant neoplasm metastasis in bone or bone marrow
  • http://id.who.int/icd/entity/501778925 – Malignant neoplasm metastasis in lymph nodes
  • http://id.who.int/icd/entity/97145147 – Malignant neoplasm metastasis in thymus gland

Sibling codes

  • 2A70.1 – B lymphoblastic leukaemia or lymphoma with t(9:22) (q34;q11.2); BCR-ABL1
  • 2A70.Y – Other B-lymphoblastic leukaemia/lymphoma with recurrent genetic abnormalities

Foundation entity

B lymphoblastic leukaemia or lymphoma, not elsewhere classified – http://id.who.int/icd/entity/971902553

Allowed postcoordination axes

Part of: 2A70: Precursor B-lymphoblastic neoplasms › 02: Neoplasms