Probably. The other option would be:
beef, short loin, top loin, separable lean only, trimmed to 0" fat
The difference is 2 cals/oz so I wouldn't worry about it.
I had to look it up (as we usually just buy top sirloin), but the strip loin actually comes from the top loin.
http://www.gatewaygourmet.com/beef_cuts.htm
http://www.thenibble.com/reviews/mai.../glossary3.asp