Online 2016 ICD-10-CM · Tabular List · Alpha Index · ICD-9/ICD-10 conversion · ICD-10-PCS

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ICD-9 code:


Malignant neoplasm of other sites of rectum, rectosigmoid junction, and anus

ICD-10 codeDescriptionGEM flags set *
C21.8Malignant neoplasm of overlapping sites of rectum, anus and anal canalApproximate Flag

* See General Equivalence Mappings (GEMs) FAQ (pdf) for more information on GEM flag values.