Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

If a histology appears in ICD O 3 with only a Behavior Code of 0 or 1 but a pathologist has described the cancer as "malignant", you may change the Behavior Code to 3 and report the case (for example, a confirmed "malignant tumorlet" would be reportable as 8040/3; a carcinoid tumor of the appendix, if specified as invasive, would be reportable ... ................
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