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 P0 02 logo and 502 A-25mg SZ246 MF 1 T539 TI 01 DAN 150 420 barr 140 mg A-P 1 EP 134 U35 M451 MYLAN ZE 80 RENAGEL 800 Nitroglycerin 0.1 mg/hr ex-lax E 71 173 ZD 19 GG 63 V355 N 204 T569 or B6 Tandem Plus R 25 URS785 T1 100 54 543 WW 176 5270 93 664 I6 A 21 54 582 668 N-T logo and ZF R4