2B59

ICD-11 MMS 2026-01

Liposarcoma, primary site

Description

Liposarcoma, a type of soft tissue sarcoma, describes a group of lipomatous tumours of varying severity ranging from slow-growing to aggressive and metastatic. Liposarcomas are most often located in the lower extremities or retroperitoneum, but they can also occur in the upper extremities, neck, peritoneal cavity, spermatic cord, breast, vulva and axilla.

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Exclusions from above levels

  • 2A01.1 – Mesenchymal tumour of meninges
  • 2A02.1 – Tumours of cranial or paraspinal nerves
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
Show allHide
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Child codes

  • 2B59.0 – Liposarcoma of soft tissue of limb
  • 2B59.1 – Liposarcoma of retroperitoneum or peritoneum
  • 2B59.2 – Liposarcoma of male genital organs
  • 2B59.Y – Liposarcoma, other specified primary site
  • 2B59.Z – Liposarcoma, unspecified primary site

Sibling codes

  • 2B50 – Chondrosarcoma, primary site
  • 2B51 – Osteosarcoma, primary site
  • 2B52 – Ewing sarcoma, primary site
  • 2B53 – Fibroblastic or myofibroblastic tumour, primary site
  • 2B54 – Undifferentiated pleomorphic sarcoma, primary site
  • 2B55 – Rhabdomyosarcoma, primary site
  • 2B56 – Angiosarcoma, primary site
  • 2B57 – Kaposi sarcoma, primary site
  • 2B58 – Leiomyosarcoma, primary site
  • 2B5A – Synovial sarcoma, primary site
  • 2B5B – Gastrointestinal stromal tumour, primary site
  • 2B5C – Endometrial stromal sarcoma, primary site
  • 2B5D – Malignant mixed epithelial mesenchymal tumour, primary site
  • 2B5E – Malignant nerve sheath tumour of peripheral nerves or autonomic nervous system, primary site
  • 2B5F – Sarcoma, not elsewhere classified, primary site
  • 2B5G – Myosarcoma of uterus, part not specified
  • 2B5H – Well differentiated lipomatous tumour, primary site
  • 2B5J – Malignant miscellaneous tumours of bone or articular cartilage of other or unspecified sites
  • 2B5K – Unspecified malignant soft tissue tumours or sarcomas of bone or articular cartilage of other or unspecified sites
  • 2B5Y – Other specified malignant mesenchymal neoplasms
  • 2B5Z – Malignant mesenchymal neoplasm of unspecified type

Foundation entity

Liposarcoma, primary site – http://id.who.int/icd/entity/1991400753

Allowed postcoordination axes

Part of: 02: Neoplasms