2B50

ICD-11 MMS 2026-01

Chondrosarcoma, primary site

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.

Excludes

  • 2B51 – Osteosarcoma, primary site

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
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  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Child codes

  • 2B50.0 – Chondrosarcoma of bone or articular cartilage of limbs
  • 2B50.1 – Chondrosarcoma of bone or articular cartilage of pelvis
  • 2B50.2 – Chondrosarcoma of bone or articular cartilage of ribs, sternum or clavicle
  • 2B50.Y – Chondrosarcoma of bone or articular cartilage of other specified sites
  • 2B50.Z – Chondrosarcoma of bone or articular cartilage of unspecified sites

Sibling codes

  • 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
  • 2B59 – Liposarcoma, 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

Chondrosarcoma, primary site – http://id.who.int/icd/entity/1625755389

Allowed postcoordination axes

Part of: 02: Neoplasms