2C91

ICD-11 MMS 2026-01

Malignant neoplasms of renal pelvis

Description

Primary abnormal malignant growth of the cells within the renal pelvis.

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.

Inclusions

  • malignant neoplasm of pelviureteric junction
  • malignant neoplasm of renal calyces

Excludes

  • 2E00 – renal pelvis metastasis
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms

Exclusions from above levels

  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Child codes

  • 2C91.0 – Urothelial carcinoma of renal pelvis
  • 2C91.Y – Other specified malignant neoplasms of renal pelvis
  • 2C91.Z – Malignant neoplasms of renal pelvis, unspecified

Sibling codes

  • 2C90 – Malignant neoplasms of kidney, except renal pelvis
  • 2C92 – Malignant neoplasms of ureter
  • 2C93 – Malignant neoplasms of urethra or paraurethral gland
  • 2C94 – Malignant neoplasms of bladder
  • 2C95 – Malignant neoplasm involving overlapping sites of urinary organs
  • 2C9Y – Other specified malignant neoplasms of urinary tract
  • 2C9Z – Malignant neoplasms of urinary tract, unspecified

Foundation entity

Malignant neoplasms of renal pelvis – http://id.who.int/icd/entity/1540054175

Allowed postcoordination axes

Part of: 02: Neoplasms