Tierney was said to be in contact with Stuart Armstrong – the Southampton midfielder who tested positive for the virus – while away with Scotland and was put into self-isolation for 14 days from October 6.
That spell in self-isolation would see him miss Saturday’s clash with Pep Guardiola’s side, however, Arteta revealed discussions are ongoing and that Tierney could be available.
Asked if Tierney could play this weekend, Arteta replied: ‘I hope so.
‘This is getting very complicated when we are sending players abroad and obviously you lose control, some authorities have different regulations to the actual ones in the Premier League.
‘We are still having some discussions with the authorities and hopefully we will know more this afternoon.’
Quizzed on whether Tierney had already tested positive for the virus earlier this summer, Arteta bluntly replied: ‘I cannot discuss individual medical things here.’
Tierney had released a statement after learning the news expressing his frustration at the situation.
‘I’m so disappointed and frustrated to be in this situation,’ said Tierney.
‘I know Arsenal and the SFA [Scottish Football Association] are now in discussions with the Scottish authorities to gain a further understanding.’