2C73

ICD-11 MMS 2026-01

Malignant neoplasms of ovary

Description

A primary or metastatic malignant neoplasm [primary neoplasm spreading elsewhere] involving the ovary. Most primary malignant ovarian neoplasms are either carcinomas (serous, mucinous, or endometrioid adenocarcinomas) or malignant germ cell tumours.

Coding note from above levels

Includes Malignant neoplasm of skin of female genital organs

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

Excludes

  • 2E05.0 – Malignant neoplasm metastasis in ovary
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms

Exclusions from above levels

  • 2E05 – Malignant neoplasm metastasis in female reproductive system
  • 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

  • 2C73.0 – Carcinomas of ovary
  • 2C73.1 – Dysgerminoma of ovary
  • 2C73.2 – Granulosa cell malignant tumour of ovary
  • 2C73.3 – Malignant teratoma of ovary
  • 2C73.4 – Serous cystadenoma, borderline malignancy of ovary
  • 2C73.5 – Endodermal sinus tumour, unspecified site, female
  • 2C73.Y – Other specified malignant neoplasms of the ovary
  • 2C73.Z – Malignant neoplasms of ovary, unspecified

Foundation children elsewhere

  • 2C65 – Hereditary breast and ovarian cancer syndrome

Sibling codes

  • 2C70 – Malignant neoplasms of vulva
  • 2C71 – Malignant neoplasms of vagina
  • 2C72 – Malignant neoplasms of uterine ligament, parametrium, or uterine adnexa
  • 2C74 – Malignant neoplasms of fallopian tube
  • 2C75 – Malignant neoplasms of placenta
  • 2C76 – Malignant neoplasms of corpus uteri
  • 2C77 – Malignant neoplasms of cervix uteri
  • 2C78 – Malignant neoplasms of uterus, part not specified
  • 2C79 – Malignant neoplasm involving overlapping sites of female genital organs
  • 2C7Y – Other specified malignant neoplasms of female genital organs
  • 2C7Z – Malignant neoplasms of female genital organs, unspecified

Foundation entity

Malignant neoplasms of ovary – http://id.who.int/icd/entity/685124533

Allowed postcoordination axes

Part of: 02: Neoplasms