Code identifying the type of observation made for which results will be reported

A free-form description to clarify the related data elements and their content

AOL02 specifies an organ name, a differentiated organ structure or the physical primary location of the observation.

Code identifying the disposition or condition of a tissue or specimen when it was collected

Code indicating a Yes or No condition or response

AOL04 indicates whether this data was used in analysis. A "Y" indicates data was used in analysis; an "N" indicates it was not used.

Sub-location qualifying a previously reported location

AOL05 is used to further qualify AOL03.

Sub-location qualifying a previously reported location

AOL06 is used to further qualify AOL05.

Sub-location qualifying a previously reported location

AOL07 is used to further qualify AOL06.

Code indicating the product surface, layer or position that is being described

AOL08 designates relative position or symmetry of the organ being observed.