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Site & Histology Exercise
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Site Code: C66.9
Nephroureterectomy path report confirms imaging studies indicating L ureter as primary site.
Histology Code: 8130/21
Resection path report states Grade 1 papillary transitional cell carcinoma, non-invasive. Code the 5th digit of the morphology code (behavior) = 2 (in situ, noninvasive). Code the 6th digit of the morphology code (grade) = 1.
