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ICD-10 Guide
ICD-10 CodesC79.61

C79.61

Billable

Secondary malignant neoplasm of right ovary

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

Code Description

ICD-10 C79.61 is a billable code used to indicate a diagnosis of secondary malignant neoplasm of right ovary.

Key Diagnostic Point:

C79.61 refers to a secondary malignant neoplasm of the right ovary, indicating that cancer has metastasized to this site from a primary tumor located elsewhere in the body. This condition is often associated with advanced stages of cancer, where the primary tumor may be unknown or previously diagnosed. The right ovary is one of the two ovaries in the female reproductive system, and the presence of metastatic disease can lead to various symptoms, including abdominal pain, bloating, and changes in menstrual cycles. The diagnosis typically involves imaging studies such as ultrasound, CT scans, or MRI, alongside histopathological examination of tissue samples. Staging of the disease is crucial for determining the extent of metastasis and guiding treatment options, which may include palliative care aimed at alleviating symptoms and improving quality of life. Given the complexity of metastatic disease, accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Determining the primary site of cancer can be challenging.
  • Need for precise documentation of metastatic disease.
  • Staging requirements may vary based on the primary cancer type.
  • Differentiating between primary and secondary tumors in the ovary.

Audit Risk Factors

  • Inadequate documentation of the primary cancer site.
  • Failure to document staging information.
  • Misclassification of primary vs. secondary tumors.
  • Lack of clarity in treatment plans related to palliative care.

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed history of the primary cancer, staging information, and treatment plans.

Common Clinical Scenarios

Patients with known primary cancers presenting with ovarian metastasis.

Billing Considerations

Ensure accurate documentation of the primary site and treatment history.

Gynecology

Documentation Requirements

Clinical findings, imaging results, and surgical reports if applicable.

Common Clinical Scenarios

Evaluation of ovarian masses in patients with a history of cancer.

Billing Considerations

Differentiating between primary ovarian tumors and metastatic lesions.

Coding Guidelines

Inclusion Criteria

Use C79.61 When
  • According to ICD
  • 10 guidelines, C79
  • 61 should be used when there is clear documentation of a secondary malignant neoplasm in the right ovary
  • Coders must ensure that the primary site of cancer is documented, and staging information is included when available

Exclusion Criteria

Do NOT use C79.61 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58661CPT Code

Laparoscopy, surgical, with bilateral salpingo-oophorectomy

Clinical Scenario

Used when performing surgery for suspected ovarian metastasis.

Documentation Requirements

Operative report detailing the findings and procedures performed.

Specialty Considerations

Oncology specialists should ensure clear documentation of the metastatic nature of the disease.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of metastatic diseases, improving the accuracy of data collection and reimbursement processes for secondary malignancies like C79.61.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of metastatic diseases, improving the accuracy of data collection and reimbursement processes for secondary malignancies like C79.61.

Reimbursement & Billing Impact

reimbursement processes for secondary malignancies like C79.61.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the significance of coding C79.61 accurately?

Accurate coding of C79.61 is crucial for appropriate treatment planning, reimbursement, and ensuring that patients receive the necessary palliative care for metastatic disease.