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Home/Diagnosis/ICD-10 Coding for Lung Cancer with Metastases

ICD-10 Coding for Lung Cancer with Metastases

C34.90
C79.31

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

Also Known as:
Metastatic Lung Cancer
Lung Cancer with Mets
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Key Information: ICD-10 Coding for Lung Cancer with Metastases

Essential facts and insights about ICD-10 Coding for Lung Cancer with Metastases

Use ICD-10 code C34.90 for malignant neoplasm of unspecified part of unspecified bronchus or lung, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Malignant neoplasm of unspecified part of unspecified bronchus or lung

Billable Code
C34.90
Billable

Diagnostic Criteria

  • • Confirmed diagnosis of lung cancer with unspecified site or laterality

Applicable To

  • • Lung cancer NOS

Important Notes

  • • Ensure documentation specifies whether the cancer is primary or secondary.

Secondary malignant neoplasm of brain

Billable Code
C79.31
Billable

Diagnostic Criteria

  • • MRI or CT showing brain lesions
  • • Documentation of metastatic origin from lung

Applicable To

  • • Brain metastasis

Important Notes

  • • Ensure proper sequencing based on treatment focus.
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Use when documenting a history of lung cancer that is no longer active.

Frequently Asked Questions

What is the ICD-10 code for lung cancer with metastases?

The ICD-10 code for primary lung cancer is C34.xx, and for metastases, codes like C79.31 (brain) and C79.51 (bone) are used.

How do you code lung cancer with brain metastases?

Code C34.xx for the primary lung cancer and C79.31 for brain metastases, ensuring proper sequencing based on treatment focus.

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