Presented herein are kits for the detection of specific beta-lactamases, including class A serine carbapenemases, metallo-beta-lactamases, AmpC beta-lactamases, and extended-spectrum beta-lactamases (ESBLs). The kits presented herein include kits that permit the detection of the presence of specific beta-lactamases in bacterial samples within as few as 2 to 10 minutes.