Malignant Neoplasm Guideline

When the primary malignancy has been previously excised or eradicated from its site and there is no adjunct treatment directed at that site and no evidence of any remaining malignancy at the primary site, use the appropriate code from category V10, Personal history of malignant neoplasm, to indicate the former site of the primary malignancy.

Documentation of the extension, invasion, or metastasis to another site is coded as a secondary malignant neoplasm to that site. The metastatic site may be sequenced as the principal diagnosis if treatment is directed toward the metastatic site.

Assign a code for the malignancy if a patient is receiving treatment (eg, chemotherapy, Rx, radiation therapy) for a malignancy that has already been excised. Do not assign a code from category V10, Personal history of malignant neoplasm, because the patient would not still be under treatment if the malignancy were actually a history of malignancy.

It may be possible to be paid extra HCC dollars for a patient who is no longer in the active treatment state. Please consider this when coding.

Source: ICD 9 CM Expert edition

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