Pill Identification by Imprints: M 1820 Home Pill Identification by Imprints: M 1820 1 result METHYLPHENIDATE ER 20 MG CAP Side 1: M 1820 Color: Medium Blue Side 2: 20 mg Shape: Oblong Other Popular Drug Imprint FENTANYL 400 MCG 736 NORCO 071 Z 3927 BMS 150 mg GGN2 CTI 103 POLY 210 I33 G74 logo and 620 T21 4 9 DDS 081 117 ZF 23 M 29 001 ALTACE 1.25 mg AA 72 M E15 BRISTOL 3030 L324 W 785 AP 045 M2A4 57344 CTI 143 EP 136 54 085 L052 KRC IBU 400 D05 KRC500 KPI 284 B 01 Q200 M522 DM1 DSC L15