id description section req max_loop max_usage pos BGN Beginning Segment H M 0 1 1 N1 Party Identification H O 999999 1 2 N2 Additional Name Information H O 0 2 3 N3 Party Location H O 0 2 4 N4 Geographic Location H O 0 1 5 PER Administrative Communications Contact H O 0 999999 6 REF Reference Information H O 0 999999 7 NM1 Individual Or Organizational Name D M 999999 1 8 N2 Additional Name Information D O 0 2 9 N3 Party Location D O 0 2 10 N4 Geographic Location D O 0 1 11 PER Administrative Communications Contact D O 0 999999 12 REF Reference Information D O 0 999999 13 ENT Entity D M 999999 1 14 IN2 Individual Name Structure Components D O 0 999999 15 N3 Party Location D O 0 2 16 N4 Geographic Location D O 0 999999 17 REF Reference Information D O 0 999999 18 YNQ Yes/No Question D O 0 10 19 DTM Date/Time Reference D O 0 999999 20 HD Health Coverage D O 0 1 21 EMS Employment Position D O 0 1 22 PAM Period Amount D O 0 999999 23