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ICD-10 Coding for Metastatic Breast Cancer(C50.911, C78.7)

Complete ICD-10-CM coding and documentation guide for Metastatic Breast Cancer. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Stage IV Breast CancerAdvanced Breast Cancer

Related ICD-10 Code Ranges

Complete code families applicable to Metastatic Breast Cancer

C50.0-C50.9Primary Range

Malignant neoplasm of breast

Primary codes for breast cancer, specifying site and laterality.

Secondary malignant neoplasm of liver

Used for liver metastasis from breast cancer.

Secondary malignant neoplasm of bone

Used for bone metastasis from breast cancer.

Secondary malignant neoplasm of brain

Used for brain metastasis from breast cancer.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
C50.911Malignant neoplasm of unspecified site of right female breastWhen breast cancer is confirmed but specific site is not documented.
  • Biopsy confirming malignancy
  • Imaging showing mass in breast
C78.7Secondary malignant neoplasm of liverWhen breast cancer has metastasized to the liver.
  • CT scan showing liver lesions
  • Elevated liver function tests

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for metastatic breast cancer

Essential facts and insights about Metastatic Breast Cancer

The ICD-10 code for metastatic breast cancer includes C78.7 for liver metastasis and C79.51 for bone metastasis.

Primary ICD-10-CM Codes for metastatic breast cancer

Malignant neoplasm of unspecified site of right female breast
Billable Code

Decision Criteria

documentation Criteria

  • Document laterality and specific site of breast cancer.

Applicable To

  • Breast cancer, NOS

Excludes

  • Benign neoplasm of breast (D24.-)

Clinical Validation Requirements

  • Biopsy confirming malignancy
  • Imaging showing mass in breast

Code-Specific Risks

  • Use of unspecified code may lead to audits.

Coding Notes

  • Ensure laterality is documented to avoid unspecified codes.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Estrogen receptor positive status

Z17.0
Use when hormone receptor status influences treatment.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Secondary malignant neoplasm of breast

C79.81
Used when breast is the site of metastasis, not the primary site.

Liver cell carcinoma

C22.0
Primary liver cancer, not secondary.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Metastatic Breast Cancer to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code C50.911.

Impact

Clinical: May affect treatment decisions., Regulatory: Non-compliance with coding guidelines., Financial: Potential for reduced reimbursement.

Mitigation Strategy

Always include lab results for ER/PR status., Use templates to ensure completeness.

Impact

Reimbursement: May lead to reduced reimbursement., Compliance: Increases risk of audits., Data Quality: Decreases accuracy of clinical data.

Mitigation Strategy

Always document and code specific site and laterality.

Impact

Use of unspecified codes can trigger audits.

Mitigation Strategy

Ensure documentation supports specific coding.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Metastatic Breast Cancer, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Metastatic Breast Cancer

Use these documentation templates to ensure complete and accurate documentation for Metastatic Breast Cancer. These templates include all required elements for proper coding and billing.

Metastatic breast cancer with bone metastasis

Specialty: Oncology

Required Elements

  • Primary and secondary sites
  • Hormone receptor status
  • Treatment plan

Example Documentation

Diagnosis: Metastatic breast cancer to bone. ER/PR positive. Plan: Start chemotherapy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Breast cancer with mets.
Good Documentation Example
Invasive ductal carcinoma metastatic to bone, ER+.
Explanation
The good example specifies cancer type, metastasis site, and receptor status.

Need help with ICD-10 coding for Metastatic Breast Cancer? Ask your questions below.

Ask about any ICD-10 CM code, or paste a medical note

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