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 AN 44 D99 TL050 VP 043 AN 54 804 F51 42 10 UCB 583 954 93 670 Macuvex TV 598 UT 1 N008 WATSON 347 292 AN057 P 2 100mg LITHOBID 300 57 71 IP188 EP136 44-503 cor 216 F19 25 T580 SG 176 A534 AC 358 NAPROSYN VIP 107 L 20 logo and 174 UPSHER-SMITH 0233 LUPIN 425 L413 U 136