metformin HCL ER 500 mg, a) 30 tablets NDC: 72789-009-30; b) 60 tablets NDC: 72789-009-60; c) 90 tablets NDC: 72789-009-90; d) 180 tablets NDC: 72789-009-93 bottles, Rx only, Pkg By: PD-Rx Pharmaceuticals Incorporated Oklahoma City, OK 73127

Reason: CGMP Deviations: detection of N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level (per manufacturer)

Code information: Lots: a) B20D23, B20D67 Exp. 07/31/21, C20D55 Exp. 12/31/21; b) A20D92, A20F59, B20C16 Exp. 07/31/21, C20D63, D20A45, D20C80 Exp. 12/31/21, G20D46, I20C57 Exp. 04/30/22; c) A20D90, A20E77, A20F69, B20F43 Exp. 07/31/21, C20B14, D20A41 Exp. 12/31/21, I20D94, I20E56, J20A28 Exp. 04/30/22; d) B20B96 Exp. 07/31/21, C20C28, C20E58, D20B17 Exp. 12/31/21, G20D91 Exp. 04/30/22

Distribution pattern: AK, AZ, CA, CO, FL, GA, ID, IL, IN, KY, MN, NC, NY, OK, OR, WI