Pill Identification by Imprints: OS 213 Home Pill Identification by Imprints: OS 213 1 result HYDROMORPHONE HCL ER 16 MG TAB Side 1: OS 213 Color: Yellow Side 2: Shape: Round Other Popular Drug Imprint AN 2 GP325 1206 ML 43 608 APO 034 MYLAN 3120 655 BP 608 1004 AA59 ED DM 2230 NP 1 H144 462 G 252 TH1M TL012 1009 WATSON 152 L146 COUMADIN 4 AA250 1 2 HP59 MP 201 34 logo and 3059 MYLAN 1259 E 19 ZC 15 P293 LK 50 54 337 ZC38 T 100 US 12 S552 S 127