AxSYM Solution 4 (Dilution Buffer) in Opiate AxSYM Assays. Batches: 81865M300, 81870M300, 81870M300, 81870M300, 81870M300, 81874M300, 81874M300,81873M300, 81871M300, 79809M101, 80074M200, 80075M200, 80296M100, 80072M200,8030M100, 81241M100, 81242M100, 81244M100, 81243M100, 81014M300, 81621M100,81827M300, 81013M300, 81028M300, 81830M300, 81030M300, 81843M300, 81844M300, 81869M300, 81845M300, 81846M300, 81851M300, 81022M300, 81027M300, 81038M300, 81040M300, 81854M300, 81852M300, 81023M300, 81024M300, 81025M300, 81041M300 ,. 81831M300, 81832M300, 81839M300, 81840M300, 81841M300, 81855M300 ,. 81856M300,81857M300, 81860M300, 81861M300, 81862M300 and 81026M300.