C56.9 MALIGNANT NEOPLASM OF UNSPECIFIED OVARY

Code Information

  • Diagnosis Code: C56.9
  • Short Description: Malignant neoplasm of unspecified ovary
  • Long Description: Malignant neoplasm of unspecified ovary
  • Code Version: 2025 ICD-10-CM

The code C56.9 is VALID for claim submission

Code Classification

Synonyms

  • Anemia in neoplastic disease
  • Anemia in ovarian carcinoma
  • Carcinoma of ovary, stage 1
  • Carcinoma of ovary, stage 2
  • Carcinoma of ovary, stage 3
  • Carcinoma of ovary, stage 4
  • Carcinosarcoma of ovary
  • Carcinosarcoma of uterine adnexa
  • Carcinosarcoma of uterine adnexa
  • Choriocarcinoma
  • Choriocarcinoma
  • Choriocarcinoma of ovary
  • Clear cell neoplasm of ovary
  • Clear cell adenocarcinoma of Mullerian origin of ovary
  • Clear cell adenocarcinoma of ovary
  • Cystadenocarcinoma of ovary
  • Embryonal carcinoma
  • Embryonal carcinoma
  • Embryonal carcinoma of ovary
  • Endodermal sinus tumor of ovary
  • Endometrioid carcinoma ovary
  • Epithelial ovarian tumor, FIGO stage II
  • Epithelial ovarian tumor, FIGO stage IIC
  • Familial cancer of breast
  • Familial ovarian cancer
  • Familial ovarian cancer
  • FIGO ovarian tumor stage finding
  • FIGO ovarian tumor stage finding
  • FIGO stage finding for epithelial tumor of ovary
  • FIGO stage finding for epithelial tumor of ovary
  • Germ cell tumor of ovary
  • Hereditary breast and ovarian cancer syndrome
  • Invasive ovarian tumor omental implants absent
  • Invasive ovarian tumor omental implants present
  • Malignant Brenner tumor of ovary
  • Malignant dysgerminoma of ovary
  • Malignant epithelial tumor of ovary
  • Malignant germ cell tumor of ovary
  • Malignant granulosa cell tumor of ovary
  • Malignant immature teratoma of ovary
  • Malignant neoplasm involving left fallopian tube by direct extension from ovary
  • Malignant neoplasm involving right fallopian tube by direct extension from ovary
  • Malignant neoplasm involving urinary bladder by direct extension from ovary
  • Malignant neoplasm of ovary
  • Malignant non-dysgerminomatous germ cell tumor of ovary
  • Malignant sex cord tumor of ovary
  • Malignant teratoma
  • Malignant tumor involving an organ by direct extension from ovary
  • Malignant tumor involving left broad ligament by direct extension from ovary
  • Malignant tumor involving rectum by direct extension from ovary
  • Malignant tumor involving right broad ligament by direct extension from ovary
  • Malignant tumor involving uterine cervix by direct extension from ovary
  • Malignant tumor involving uterine corpus by direct extension from ovary
  • Malignant tumor involving vagina by direct extension from ovary
  • Malignant tumor involving vulva by direct extension from ovary
  • Mucinous cystadenocarcinoma of ovary
  • Non-invasive ovarian tumor omental implants absent
  • Non-invasive ovarian tumor omental implants absent
  • Non-invasive ovarian tumor omental implants present
  • Non-invasive ovarian tumor omental implants present
  • Polyembryoma
  • Primary carcinosarcoma of ovary
  • Primary carcinosarcoma of uterine adnexa
  • Primary clear cell adenocarcinoma of ovary
  • Primary cystadenocarcinoma of ovary
  • Primary endometrioid carcinoma of ovary
  • Primary high grade serous adenocarcinoma of ovary
  • Primary low grade serous adenocarcinoma of ovary
  • Primary malignant dysgerminoma of ovary
  • Primary malignant granulosa cell tumor of ovary
  • Primary malignant neoplasm of ovary
  • Primary malignant Sertoli-Leydig cell tumor of ovary
  • Primary malignant sex cord tumor of ovary
  • Primary mucinous adenocarcinoma of ovary
  • Primary mucinous carcinoma of uterine adnexa
  • Primary mucinous cystadenocarcinoma of ovary
  • Primary non-gestational choriocarcinoma of ovary
  • Primary serous carcinoma of uterine adnexa
  • Primary serous papillary cystadenocarcinoma ovary
  • Primary small cell neuroendocrine carcinoma of ovary
  • Primary theca steroid producing cell malignant neoplasm of ovary
  • Primary undifferentiated carcinoma of ovary
  • Recurrent ovarian cancer
  • Sarcoma of ovary
  • Serous cystadenoma borderline malignancy of ovary
  • Serous papillary cystadenocarcinoma ovary
  • Small cell carcinoma of ovary
  • Teratoma of ovary
  • Theca steroid producing cell malignant neoplasm of ovary
  • Undifferentiated carcinoma of ovary
  • Yolk sac tumor
  • Yolk sac tumor

Diagnostic Related Group(s)

The code C56.9 is grouped in the following Diagnostic Related Group(s) MS-DRG V43.0

  1. Uterine And Adnexa Procedures For Ovarian Or Adnexal Malignancy With Mcc (736)
  2. Uterine And Adnexa Procedures For Ovarian Or Adnexal Malignancy With Cc (737)
  3. Uterine And Adnexa Procedures For Ovarian Or Adnexal Malignancy Without Cc/mcc (738)
  4. Uterine And Adnexa Procedures For Non-ovarian And Non-adnexal Malignancy With Mcc (739)
  5. Uterine And Adnexa Procedures For Non-ovarian And Non-adnexal Malignancy With Cc (740)
  6. Uterine And Adnexa Procedures For Non-ovarian And Non-adnexal Malignancy Without Cc/mcc (741)
  7. Malignancy, Female Reproductive System With Mcc (754)
  8. Malignancy, Female Reproductive System With Cc (755)
  9. Malignancy, Female Reproductive System Without Cc/mcc (756)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C56.9 Right Arrow 183.0 Malign neopl ovary
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C56 Malignant neoplasm of ovary
C56.1 Malignant neoplasm of right ovary
C56.2 Malignant neoplasm of left ovary
C56.3 Malignant neoplasm of bilateral ovaries
This page was last updated on: 10/1/2025
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