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Home/Diagnosis/ICD-10 Coding for Metastasis to Lung

ICD-10 Coding for Metastasis to Lung

C78.00
C78.01
C78.02

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

Also Known as:
Secondary Lung Cancer
Lung Metastases
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Key Information: ICD-10 Coding for Metastasis to Lung

Essential facts and insights about ICD-10 Coding for Metastasis to Lung

Use ICD-10 code C78.00 for secondary malignant neoplasm of unspecified lung, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Secondary malignant neoplasm of unspecified lung

Billable Code
C78.00
Billable

Diagnostic Criteria

clinical:
  • • Confirmed metastatic lesion in lung via imaging or biopsy
documentation:
  • • Documentation must specify 'metastatic to lung' and primary site if known

Applicable To

  • • Metastatic cancer to lung, unspecified

Important Notes

  • • Ensure documentation specifies 'metastatic to lung' to avoid confusion with primary lung cancer.

Secondary malignant neoplasm of right lung

Billable Code
C78.01
Billable

Diagnostic Criteria

clinical:
  • • CT or PET scan showing lesions in the right lung
  • • Biopsy confirming metastatic origin

Applicable To

  • • Metastatic cancer to right lung

Important Notes

  • • Ensure laterality is documented clearly to avoid errors.

Secondary malignant neoplasm of left lung

Billable Code
C78.02
Billable

Diagnostic Criteria

clinical:
  • • CT or PET scan showing lesions in the left lung
  • • Biopsy confirming metastatic origin

Applicable To

  • • Metastatic cancer to left lung

Important Notes

  • • Ensure laterality is documented clearly to avoid errors.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z85.118

Personal history of other malignant neoplasm of bronchus and lung

Use when documenting history of lung cancer in remission.

Frequently Asked Questions

What is the ICD-10 code for metastasis to the lung?

The ICD-10 code for metastasis to the lung is C78.00 for unspecified lung, C78.01 for right lung, and C78.02 for left lung.

How do you code lung metastasis from breast cancer?

Code C78.00 for lung metastasis and C50.912 for the primary breast cancer site.

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