Pill Identification by Imprints: M 138 Home Pill Identification by Imprints: M 138 1 result STAVUDINE 40 MG CAPSULE Side 1: M 138 Color: Light Orange Side 2: M 138 Shape: Oblong Other Popular Drug Imprint L355 MSB 001 E 649 S44 K 101 1442 MVC 75 P24HR m10 80 mg MYLAN 5010 I73 REL E51 2083 V H 148 PLIVA 333 BP 631 WELLBUTRIN 100 1000 MG logo and 665 A3 or P MYLAN AC I 13 HP 4 LMT IP 179 logo and 242 AN 553 R189 ML 62 HP 60 IP 116 WC 402 logo and 103 par 218 MERRELL 277 CL 25 M366 970 ZANTAC 300