Rabiu Ibrahim remains sidelined for Kilmarnock's trip to Inverness in the Scottish Premiership on Saturday.
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The midfielder collapsed during the win over Ross County a fortnight ago and spent two nights in hospital undergoing tests.
However, manager Allan Johnston is not expecting those test results to come back until next week.
Inverness boss Terry Butcher has an unchanged squad for the Scottish Premiership home clash with Kilmarnock on Saturday.
Butcher claims his players are looking "bright" and "fresh" after Tuesday's League Cup quarter-final against Dundee United, which Inverness won after extra time.
However, midfielder James Vincent remains out with a leg fracture.
Inverness (from): Brill, Raven, Meekings, Warren, Shinnie, Foran, Doran, Draper, Ross, Greenhalgh, McKay, Williams, Tremarco, Devine, Polworth, Agdestein, Watkins, Esson.
Kilmarnock (from): Samson, Barr, Clohessy, Bouzid, Tesselaar, Irvine, Gardyne, McKenzie, Nicholson, Silva, Pascali, Boyd, O'Hara, Jacobs, Gros, Fowler, Reguero, Clingan.