Diab with prolif diab rtnop with trctn dtch macula, left eye
This code is valid in V44.0 but does not appear in the MS-DRG definition logic, so it carries no MDC assignment. Not every valid code participates in grouping.
E083522 carries no MDC assignment, so the rest of the claim decides the DRG outright.
Open the MS-DRG grouper