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Home/Diagnosis/ICD-10 Coding for Metastatic Disease

ICD-10 Coding for Metastatic Disease

C79.51
C80.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for metastatic disease includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Secondary Malignant Neoplasm
Metastasis
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Key Information: ICD-10 Coding for Metastatic Disease

Essential facts and insights about ICD-10 Coding for Metastatic Disease

Use ICD-10 code C79.51 for secondary malignant neoplasm of bone, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Secondary malignant neoplasm of bone

Billable Code
C79.51
Billable

Diagnostic Criteria

  • • Metastasis confirmed by imaging and pathology.

Applicable To

  • • Bone metastasis

Important Notes

  • • Ensure primary site is documented and coded.

Malignant (primary) neoplasm, unspecified

Billable Code
C80.1
Billable

Diagnostic Criteria

  • • Primary site cannot be determined after thorough investigation.

Applicable To

  • • Cancer of unknown primary (CUP)

Important Notes

  • • Ensure all diagnostic efforts to identify primary site are documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z51.11

Encounter for antineoplastic chemotherapy

Use when chemotherapy is part of the treatment plan.

Frequently Asked Questions

What is the ICD-10 code for metastatic disease?

The ICD-10 code for metastatic disease varies by site, such as C79.51 for bone metastasis. Use C80.1 when the primary site is unknown.

How do you code metastatic disease?

Code the secondary site first if it's the treatment focus, followed by the primary site. Use C80.1 if the primary site is unknown.

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