Code indicating a Yes or No condition or response

ESI01 designates if the segment contains post-injury employment information. A "Y" designates that the segment contains post-injury employment information; an "N" designates that the segment contains pre-injury employment information.

Code indicating a Yes or No condition or response

ESI02 designates if the person returned to the same job. A "Y" indicates the person returned to same job; an "N" indicates the person did not return to the same job.

Code indicating a Yes or No condition or response

ESI03 designates if this is a permanent return to work. A "Y" indicates this is a permanent return to work; an "N" indicates this is not a permanent return to work.

Time expressed in 24-hour clock time as follows: HHMM, or HHMMSS, or HHMMSSD, or HHMMSSDD, where H = hours (00-23), M = minutes (00-59), S = integer seconds (00-59) and DD = decimal seconds; decimal seconds are expressed as follows: D = tenths (0-9) and DD = hundredths (00-99)

ESI04 is the start time on the day of injury.

Numeric value of quantity

ESI05 is the number of hours worked on the last day worked.

Code showing the general employment status of an employee/claimant

Code identifying the level of intensity of work

Code identifying reason claimant stopped working

Code indicating the status reason

ESI09 designates the reason for the status indicated in ESI06.