C56.9

Billable

Malignant neoplasm of unspecified ovary

Status

Billable / Specific

Chapter

2: Neoplasms

Block

C51-C58

Parent Code

C56

Coding Notes

Includes

Conditions included under this code

malignant neoplasm of skin of female genital organs

Use Additional Code

Additional codes that should follow this code

code to identify any functional activity

Related Codes(3)

C56.1

Malignant neoplasm of right ovary

Billable C56.2

Malignant neoplasm of left ovary

Billable C56.3

Malignant neoplasm of bilateral ovaries

Billable

Also Known As / Clinical Terms(344)

SNOMED CT

UMLS

Malignant neoplasm of unspecified ovaryC2842147

Clinical Terms

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

Frequently Asked Questions

What is the ICD-10 code for malignant neoplasm of unspecified ovary?

The ICD-10-CM code for malignant neoplasm of unspecified ovary is C56.9. The full clinical description is "Malignant neoplasm of unspecified ovary". C56.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C56.9 mean?

ICD-10-CM code C56.9 represents “Malignant neoplasm of unspecified ovary”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C56.9 a billable code?

Yes, C56.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C56.9 in?

C56.9 is in Chapter 2: Neoplasms (codes C00-D49).

Are additional codes required with C56.9?

Yes, when using C56.9, also report: any functional activity.

What SNOMED CT codes does C56.9 map to?

C56.9 maps to 85 SNOMED CT concepts: 191265009, 307726001, 363443007, 424600001, 424486004, and 80 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C56.9?

C56.9 is linked to 1 UMLS Concept Unique Identifier: C2842147. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C56.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of unspecified ovary affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of C56.9?

There is no direct ICD-11 mapping available for C56.9 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.