Pancreatic Elastase, Fecal Mnemonic FE ELAS IMA Specimen Collection Requirements Collect Random stool in a clean, unpreserved container. View Stool Collection Guide Patient Instructions for Special Stool Testing: English Handling Transfer 5 g stool to a sterile container. Minimum Volume 1 gram Transport Frozen Rejection Criteria Stool in media or preservative, swabs Stability Ambient: 5 days; Refrigerated: 1 week; Frozen 1 year Testing Information Performed Sun, Tue-Fri Reported 2-7 days Method Quantitative Enzyme-Linked Immunosorbent Assay Referral Lab ARUP (3002858) Reference Values Reference Values Interpretation provided. CPT Codes 83520 Last Updated: Wednesday, December 23, 2020 12:35:29 AM Client Services: 503-413-1234