If you're interested in one soldier, it would be easier to review his record to determine what actually happened to him. Do you have a name for him?
A reporte aof casualties in Co "F", 34th Mississippi Regt. at the Battle of Lookout Mountain lists 28 missing (and likely captured). Casualties for the 34th Mississippi are 4 severely wounded and 230 missing. Total casualties reported for Walthall's Brigade are 8 killed, 3 mortally wounded, 39 severely wounded, 49 slightly wounded and 845 missing.