EOD Primary Tumor

Code Description SS2018 T
100 Any size tumor - Confined to site of origin - Localized, NOS L
200 Any size tumor - Adjacent connective tissue, NOS - Bone/cartilage RE
500 Central compartment viscera Facial skeleton Orbital invasion Pterygoid muscles Skull base/dural invasion D
600 Brain parenchymal invasion Carotid artery encasement Central nervous system involvement via perineural spread Prevertebral muscle invasion Further contiguous extension D
700 Invasion of adjacent organ(s)/structure(s), NOS RE
800 No evidence of primary tumor U
999 Unknown; extension not stated Primary tumor cannot be assessed Not documented in medical record Death Certificate Only U
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