The lock misses out on last week's heavy defeat to England at Twickenham, which was the second game she's had to sit out over the course of the championship.
Monaghan missed out on the tournament opener away to France last month, as she followed the return to play protocols for concussion.
But she says last Saturday's absence was unrelated to that head injury.
"No, it was just around being out for a while and it is taking a bit longer to recover so just hitting my markers in training," she said.
"I'm putting my hand up [for selection this week]. I have hit my markers this week, I believe. I had a good training session this morning."
Ireland's 88-10 defeat to England was just one point short of a record loss, which sees them drop to fifth in the table with one game to play.
The target of a third place - and with it World Cup qualification - is still very much within Ireland's sights though. To achieve that they would need to beat Scotland and overturn a small points differential on Italy.
"We have turned the page and our main priority now is Saturday and focusing on qualifying for the World Cup by doing a job on Scotland.
"They got the better of us last year but we are a different team now and we still have that momentum coming off the back of the Wales win. We have parked it [the defeat to England]. We've gone into preview mode now.
"It is never easy. This team cares. We were hurting after that game, as anyone would be, but this is where we have to dust ourselves off.
"All the players have to put an arm around another player and say this has happened, we have experienced it and now we move on to Saturday," Monaghan added.
Head coach Scott Bemand has close to a full squad to pick from this week, as Ireland close out their championship at home to Scotland, who edged out Italy in Parma on Saturday.
Centre Eve Higgins and full-back Lauren Delany were both withdrawn at half time at Twickenham last weekend, but the Ireland boss insists Higgins withdrawal was precautionary as she dealt with a facial injury.
"Results like that, when momentum is completely against you, can carry an injury burden, but we are actually alright in that sense as a squad.
"We have one player, Sarah Delaney, who is out this weekend with a shoulder. Everyone else is fit and available.
Bemand (above) says the finale at Kingspan Stadium is set up to be like a cup final for his side this week.
"We want to put ourselves in a position to achieve what we set out at the beginning.
"I think the Six Nations has got the competition it wanted; France and England are competing hard for the championship and there's a group of four of us that the results are in our own hands.
"It carries a last weekend feel of a game that matters, it's on our shores and hopefully we can get the people of Belfast to come to the Kingspan to support it.
"Since coming in we've taken a kind of longer-term view on things. So, the first thing is, we want to get to the World Cup, whether we do that by finishing third and getting the automatic spot, or whether we go through the WXV2 process that World Rugby have got in place.
"But our aspirations are still to get to that World Cup. This was always going to be the next step on the road to building. What we want to be is a really competitive, high performing, women’s team."
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