CPT CodeTest NameUpdate Type- Any -CorrectionsCPT Code ChangeNew TestsProduction schedule changeReference range changedReplacement TestSpecimen collection or handling and/or storage changedTest Code ChangeTest DiscontinuedTest Down or DelayedTest Methodology ChangedTest ResumedTitlePosted DateEffective DateTest NameCPT CodeUpdate TypeTest Update 77308/11/202109/01/2021Pepsinogen I83520 Replacement Test