ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesC56.3

C56.3

Billable

Malignant neoplasm of bilateral ovaries

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 C56.3 is a billable code used to indicate a diagnosis of malignant neoplasm of bilateral ovaries.

Key Diagnostic Point:

C56.3 refers to malignant neoplasms affecting both ovaries, which are classified under gynecologic malignancies. This condition is characterized by the uncontrolled growth of abnormal cells in the ovarian tissue, leading to the formation of tumors that can invade surrounding tissues and metastasize to other parts of the body. The diagnosis is often confirmed through imaging studies, such as ultrasound or CT scans, and histopathological examination of biopsy samples. Staging of ovarian cancer is crucial for determining the extent of disease and guiding treatment options. The FIGO (International Federation of Gynecology and Obstetrics) staging system is commonly used, ranging from Stage I (tumor confined to the ovaries) to Stage IV (distant metastasis). CA-125, a tumor marker, is frequently utilized in monitoring treatment response and disease recurrence. Surgical approaches may include bilateral salpingo-oophorectomy, where both ovaries and fallopian tubes are removed, often accompanied by staging laparotomy to assess the spread of cancer. Chemotherapy and targeted therapies may follow surgery, depending on the stage and histological type of the tumor.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires understanding of staging systems and tumor markers.
  • Involves differentiation from benign ovarian conditions.
  • Documentation must reflect the extent of disease accurately.
  • Surgical procedures and their implications must be coded correctly.

Audit Risk Factors

  • Inaccurate staging documentation.
  • Failure to document CA-125 levels and their significance.
  • Misclassification of tumor type or grade.
  • Inadequate documentation of surgical procedures performed.

Specialty Focus

Medical Specialties

Gynecologic Oncology

Documentation Requirements

Detailed pathology reports, imaging studies, and surgical notes are essential.

Common Clinical Scenarios

Diagnosis and management of ovarian cancer, staging laparotomy, and chemotherapy administration.

Billing Considerations

Ensure accurate coding of all procedures and treatments, including any adjuvant therapies.

Radiology

Documentation Requirements

Clear imaging reports indicating the presence of tumors and staging.

Common Clinical Scenarios

Pre-operative imaging for staging and post-operative follow-up imaging.

Billing Considerations

Radiology reports should correlate with surgical findings and pathology results.

Coding Guidelines

Inclusion Criteria

Use C56.3 When
  • Follow the official ICD
  • CM guidelines for neoplasms, ensuring accurate documentation of the primary site, laterality, and staging
  • Include any relevant treatment information and follow
  • up care

Exclusion Criteria

Do NOT use C56.3 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58150CPT Code

Total abdominal hysterectomy with bilateral salpingo-oophorectomy

Clinical Scenario

Used for surgical treatment of C56.3.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Ensure alignment with gynecologic oncology standards.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of ovarian malignancies, improving the accuracy of data collection and treatment tracking. C56.3 provides granularity in capturing bilateral involvement, which is critical for treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ovarian malignancies, improving the accuracy of data collection and treatment tracking. C56.3 provides granularity in capturing bilateral involvement, which is critical for treatment planning.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of ovarian malignancies, improving the accuracy of data collection and treatment tracking. C56.3 provides granularity in capturing bilateral involvement, which is critical for treatment planning.

Resources

Clinical References

  • •
    American Cancer Society - Ovarian Cancer

Coding & Billing References

  • •
    American Cancer Society - Ovarian Cancer

Frequently Asked Questions

What is the significance of CA-125 in coding C56.3?

CA-125 is a tumor marker used to monitor treatment response and disease recurrence in ovarian cancer. Accurate documentation of CA-125 levels is essential for coding C56.3, as it provides critical information about the patient's condition.