Complete ICD-10-CM coding and documentation guide for icd-10 coding for metastatic adenocarcinoma of lung includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Metastatic Adenocarcinoma of Lung
Use ICD-10 code C34.90 for malignant neoplasm of unspecified part of unspecified bronchus or lung, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Secondary malignant neoplasm of brain
Use to indicate brain metastasis from primary lung adenocarcinoma.
Secondary malignant neoplasm of bone
Use to indicate bone metastasis from primary lung adenocarcinoma.
The primary ICD-10 code for metastatic adenocarcinoma of the lung is C34.XX, with additional codes like C79.31 for brain metastasis.
Code the primary lung cancer with C34.XX and use C79.XX for metastatic sites, ensuring proper sequencing.