I can't trace where the amount on line 29 of Schedule 1, Self Employed Health Insurance comes from. I believe it's derived from 1095-A but there's no worksheet

[abrown19]

Here is the worksheet you need to fill out line 29 of Schedule 1:

https://taxmap.irs.gov/taxmap/instr/i1040gi-042.htm#en_us_publink10002107