What is the ICD-10 code for metastatic malignant melanoma?

The ICD-10 code for metastatic malignant melanoma depends on the site of metastasis, such as C79.2 for skin or C79.51 for bone.

How do you code metastatic melanoma with unknown primary?

Use C80.1 for unspecified primary site after coding the secondary site, such as C79.31 for brain metastasis.

ICD-10 Coding for Metastatic Malignant Melanoma(C79.2, C43.71, C79.51)

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Comprehensive guide to coding metastatic malignant melanoma using ICD-10, including primary and secondary site codes, documentation requirements, and common pitfalls.

Also known as:

Advanced MelanomaStage IV Melanoma

Related ICD-10 Code Ranges

Complete code families applicable to Metastatic Malignant Melanoma

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
C79.2	Secondary malignant neoplasm of skin	Use when melanoma has metastasized to the skin from another primary site.	Histopathological confirmation of metastatic melanoma in skin
C79.51	Secondary malignant neoplasm of bone	Use when melanoma has metastasized to the bone.	Imaging or biopsy confirmation of bone metastasis
C43.71	Malignant melanoma of right forearm	Use for primary melanoma located on the right forearm.	Histopathological confirmation of melanoma in the forearm

Primary ICD-10-CM Codes

Secondary malignant neoplasm of skin

C79.2Billable

Documentation & Coding Risks

Avoid these common issues when documenting Metastatic Malignant Melanoma.

Using unspecified codes

Impact

Clinical: Leads to vague clinical records., Regulatory: Non-compliance with specificity requirements., Financial: Potential for claim denials.

Mitigation

Always document specific sites and laterality.

Missing laterality in documentation

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation

Ensure laterality is documented for all primary melanoma sites.

Unspecified primary site

Impact

Using C80.1 without attempting to identify primary site.

Mitigation

Query for primary site details if not documented.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with C79.2.

Primary Code

C79.2

Secondary malignant neoplasm of skin

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ICD-10 codes4

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ICD-10 Coding for Metastatic Malignant Melanoma(C79.2, C43.71, C79.51)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for metastatic malignant melanoma?

How do you code metastatic melanoma with unknown primary?

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