170.3
ICD-9-CMThis code signifies a primary cancerous tumor originating in the bone tissue of the ribs, sternum (breastbone), or clavicle (collarbone). These are malignant bone neoplasms, indicating aggressive growth and potential to metastasize.
Apply this code when documentation clearly states a primary malignant neoplasm of the ribs, sternum, or clavicle. This is appropriate for initial diagnosis, treatment, and follow-up care of the primary site. Ensure the physician's notes specify the primary nature of the tumor.
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