What is the ICD-10 code for ovarian cancer?

The ICD-10 code for primary ovarian cancer is C56.x, with specific codes for laterality: C56.1 for right ovary, C56.2 for left ovary, and C56.3 for bilateral involvement.

How do you code secondary ovarian cancer?

Secondary ovarian cancer is coded as C79.63, indicating metastasis to the ovaries from another primary site, which must also be documented and coded.

ICD-10 Coding for Ovarian Tumor(C56.1, C56.2, C56.3)

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Explore detailed ICD-10 coding guidelines for ovarian tumors, including primary and secondary cancer codes, documentation requirements, and common pitfalls.

Also known as:

Ovarian CancerOvarian Neoplasm

Related ICD-10 Code Ranges

Complete code families applicable to Ovarian Tumor

C00-D49Primary Range

Neoplasms

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
C56.1	Malignant neoplasm of right ovary	Use when malignancy is confirmed in the right ovary.	Imaging confirmation of right ovarian mass Histopathological confirmation of malignancy
C56.2	Malignant neoplasm of left ovary	Use when malignancy is confirmed in the left ovary.	Imaging confirmation of left ovarian mass Histopathological confirmation of malignancy
C56.3	Malignant neoplasm of bilateral ovaries	Use when malignancy is confirmed in both ovaries.	Imaging confirmation of bilateral ovarian masses Histopathological confirmation of malignancy
C79.63	Secondary malignant neoplasm of bilateral ovaries	Use when ovarian cancer is secondary to another primary site.	Documentation of primary site of cancer Evidence of metastasis to ovaries

Primary ICD-10-CM Codes

Malignant neoplasm of right ovary

C56.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Secondary malignant neoplasm of bilateral ovariesC79.63

Malignant neoplasm of bilateral ovariesC56.3

Documentation & Coding Risks

Avoid these common issues when documenting Ovarian Tumor.

Failing to document primary site for secondary ovarian cancer.

Impact

Clinical: Misleading clinical picture of cancer origin., Regulatory: Potential non-compliance with coding standards., Financial: Incorrect DRG assignment affecting reimbursement.

Mitigation

Always document and code the primary site of cancer., Use C79.63 only when primary site is confirmed.

Using unspecified codes like C56.9 without proper documentation.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of health data.

Mitigation

Ensure laterality is documented and use specific codes like C56.1 or C56.2.

Laterality Documentation

Impact

Failure to document laterality can lead to incorrect coding.

Mitigation

Implement mandatory laterality checks in documentation workflows.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with C56.1.

Primary Code

C56.1

Malignant neoplasm of right ovary

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ICD-10 codes7

Coding risks3

FAQs2

ICD-10 Coding for Ovarian Tumor(C56.1, C56.2, C56.3)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for ovarian cancer?

How do you code secondary ovarian cancer?

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