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    OpenPayerBilling CodesMalignant neoplasms of female genital organsICD-10-CM c57-malignant-neoplasm-other-female-genital-organs
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    ICD-10-CM Code For Malignant Neoplasm Of Other And Unspecified Female Genital Organs: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group C57 includes malignant neoplasms of female genital organs that are at other specified sites or are unspecified within the female reproductive tract, such as malignancies of the broad ligament, fallopian tube when not otherwise classified, or unspecified female genital locations. These ICD-10-CM diagnosis codes are used to document clinical encounters involving confirmed malignant tumors of less common or unspecified anatomic sites in the female genital system, capturing organ involvement and tumor location for care and reporting. Accurate coding within the ICD-10-CM C57 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM C57: Malignant Neoplasm Of Other And Unspecified Female Genital Organs Overview

    The ICD-10-CM C57 group represents malignant tumors arising in female genital organs that are not limited to the cervix, ovary, uterus, or vulva and include less common or unspecified sites. These codes target neoplastic disease of the female reproductive tract beyond the major specified anatomic locations. Accurate coding matters for correct reimbursement, epidemiology, and continuity of care because it clarifies site-specific treatment and staging implications.

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    When to Use

    Use a code from this group when a confirmed malignant neoplasm is documented in an anatomic site of the female genital system that is designated as other specified or is unspecified. Apply these codes when clinical documentation or pathology reports identify malignancy but the site is not classified under more specific female genital neoplasm categories.

    ICD-10-CM Codes

    14 rows

    ICD-10-CM CodeDescription
    C57.00Malignant neoplasm of unspecified fallopian tube
    C57.01Malignant neoplasm of right fallopian tube
    C57.02Malignant neoplasm of left fallopian tube
    C57.10Malignant neoplasm of unspecified broad ligament
    C57.11Malignant neoplasm of right broad ligament
    C57.12Malignant neoplasm of left broad ligament
    C57.20Malignant neoplasm of unspecified round ligament
    C57.21Malignant neoplasm of right round ligament
    C57.22Malignant neoplasm of left round ligament
    C57.3Malignant neoplasm of parametrium
    C57.4Malignant neoplasm of uterine adnexa, unspecified
    C57.7Malignant neoplasm of other specified female genital organs
    C57.8Malignant neoplasm of overlapping sites of female genital organs
    C57.9Malignant neoplasm of female genital organ, unspecified

    DRG Codes

    9 rows

    DRG CodeDescription
    736Uterine and Adnexa Procedures for Ovarian or Adnexal Malignancy with MCC
    737Uterine and Adnexa Procedures for Ovarian or Adnexal Malignancy with CC
    738Uterine and Adnexa Procedures for Ovarian or Adnexal Malignancy without CC/MCC
    739Uterine and Adnexa Procedures for Non-Ovarian and Non-Adnexal Malignancy with MCC
    740Uterine and Adnexa Procedures for Non-Ovarian and Non-Adnexal Malignancy with CC
    741Uterine and Adnexa Procedures for Non-Ovarian and Non-Adnexal Malignancy without CC/MCC
    754Malignancy, Female Reproductive System with MCC
    755Malignancy, Female Reproductive System with CC
    756Malignancy, Female Reproductive System without CC/MCC

    Typical Clinical Scenarios

    • A 62-year-old postmenopausal woman presents with new-onset postmenopausal vaginal bleeding and pelvic pain. Imaging reveals a pelvic mass involving the cervix with extension to the upper vagina; biopsy confirms invasive squamous or adenocarcinoma originating in the cervix. A code from the group is assigned to capture the malignant neoplasm of the cervix with specified laterality or unspecified site. Typical codes: C57.00, C57.01
    • A 48-year-old woman with known recurrent ovarian cancer is seen for evaluation of a new malignant lesion involving the adnexa and fallopian tube region, causing pelvic fullness and bowel symptoms; pathology confirms a primary malignant neoplasm of the fallopian tube. This represents a malignancy of other female genital organs tracked for staging and treatment planning, so a code from the group for fallopian tube malignancy is used. Typical codes: C57.10, C57.11
    • A 35-year-old woman admitted with progressive pelvic pain and heavy vaginal discharge is found at surgery to have an advanced malignant mass diffusely involving the vulva and external genitalia with regional spread; pathology confirms invasive carcinoma of unspecified female genital organ site. For inpatient coding of the malignancy when specific location within the group is not determinable or multiple sites are involved, an unspecified site code from the group is assigned. Typical codes: C57.8, C57.9

    Related Codes

    C51-MALIGNANT-NEOPLASM-OF-VULVA

    ICD-10-CM Code For Malignant Neoplasm Of Vulva: Group Overview

    C52-MALIGNANT-NEOPLASM-OF-VAGINA

    ICD-10-CM Code For Malignant Neoplasm Of Vagina: Group Overview

    C53-MALIGNANT-NEOPLASM-OF-CERVIX-UTERI

    ICD-10-CM Code For Malignant Neoplasm Of Cervix Uteri: Group Overview

    C54-MALIGNANT-NEOPLASM-OF-CORPUS-UTERI

    ICD-10-CM Code For Malignant Neoplasm Of Corpus Uteri: Group Overview

    C55-MALIGNANT-NEOPLASM-OF-UTERUS

    ICD-10-CM Code For Malignant Neoplasm Of Uterus Part Unspecified: Group Overview

    C56-MALIGNANT-NEOPLASM-OF-OVARY

    ICD-10-CM Code For Malignant Neoplasm Of Ovary: Group Overview

    C58-MALIGNANT-NEOPLASM-OF-PLACENTA

    ICD-10-CM Code For Malignant Neoplasm Of Placenta: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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