The citation at the bottom of the card recording his presence at Way Hospital reads: "Confed. Arch., Chap. 6, File No. 66, page 173"

I would take this to indicate that the hospital was under Confederate control at the time of his admittance Feb., 4, 1865

Note the previous thread on this board: http://history-sites.com/cgi-bin/bbs53x/mscwmb/arch_config.pl?noframes;read=6243