Coughlan has been impressive for Wednesday since arriving from Plymouth Argyle in the summer and scored in successive games against Millwall and West Ham before being laid low with a virus for the draw at Luton.
And with Graeme Lee impressing and scoring on his return to action on Friday night, Paul Sturrock would like to keep the former Hartlepool man in the team.
JP McGovern will have a fitness test before kick off because he has hurt his thigh but Richie Partridge is back in contention.
In other news, the club have cut their operating loss and turnover has been increased thanks to last season's promotion.
Last year's operating loss have been shortened by nearly £1million while turnover is up to £9.66million and a 13percent jump in gate receipts.