2A21.1Z

ICD-11 MMS 2026-01

Cutaneous mastocytosis, unspecified

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

  • 2A21.10 – Urticaria pigmentosa
  • 2A21.1Y – Other specified cutaneous mastocytosis

Foundation entity

Cutaneous mastocytosis – http://id.who.int/icd/entity/1300710062

Allowed postcoordination axes

Part of: 2A21.1: Cutaneous mastocytosis › 2A21: Mastocytosis › 02: Neoplasms