001 ISA_LOOP - Interchange Control Header
020 GS_LOOP - Functional Group Header
020 ST_LOOP - Transaction Set Header
015 HEADER - Table 1 - Header
080 1000A - Payer Identification
080 1000B - Payee Identification
020 DETAIL - Table 2 - Detail
003 2000 - Header Number
010 2100 - Claim Payment Information
070 2110 - Service Payment Information
030 FOOTER - Table 3 - Footer