Pill Identification by Imprints: M 2540 Home Pill Identification by Imprints: M 2540 1 result METHADONE 40 MG TABLET DISPR Side 1: M 2540 Color: Orange Side 2: Shape: Rectangular (Rounded End) Other Popular Drug Imprint 93 658 Y 46 Tylenol 500 99 EV 0072 52 GS 7CZ E99 V100 or V150 R 128 93 657 M C53 m10 barr 20 mg IP 179 RD 54 MLX 123 T582 logo and 4346 CL 024 CL 58 PAD 0107 Watson 371 MP 271 WPI 9 P5 EK 25 L050 WW 110 R DY SG 109 G 2004 57 55 SA 25 H 502 W 145 VANCO TZ 1 TAK ALG-12.5