Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

Laterality Code not a paired site, including unknown primary 0 Right side is origin of cancer. 1 Left side is origin of cancer. 2 only one side involved, right or left not specified 3 bilateral involvement, but origin unknown -- and stated to be a single primary (including bilateral ovarian primaries of the same histologic type diagnosed within ... ................
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