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 54 511 S10 498 5136 A X 8 ORN 57 C8 AB 54 731 I63 L468 C 89 1004 T 25 TN 1 P293 ROCHE 0245 S 40 T1 50 MCR 105 93 29 IP 304 0.5MG 44 450 TCL 340 ASL WATSON 414 WATSON 383 or WATSON RJ72 K 25 78 MSB 001 RTG-200 AZ221 E502 HP51 cardizem CD 360 mg M159 EXH 32 L 66