From 950c18a4e890bb3485a95f80f44de988b354e592 Mon Sep 17 00:00:00 2001 From: Becky Smith Date: Fri, 3 Nov 2023 12:41:43 +0000 Subject: [PATCH] Add a note about changes to columns in dm+d codelist downloads --- docs/codelist-updating.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/docs/codelist-updating.md b/docs/codelist-updating.md index edb8763c8..0b994bb60 100644 --- a/docs/codelist-updating.md +++ b/docs/codelist-updating.md @@ -13,6 +13,14 @@ backend database. Analysis jobs that use data that has already been extracted in run do not need to update codelists in order to run successfully. +!!! Info + + Due to changes introduced to address [dm+d codes](#dmd-a-special-case), dm+d + codelists now download with standardised column headings (`code` and `term`) in the + CSV files. For backwards compatibility, they also include a column with the + original code column heading (typically `dmd_id`). + + ## What are "out-of-date" codelists? Codelists may sometimes go "out-of-date". All coding systems change (with the exception of CTv3, which is no longer updated), and new releases are published which may add new codes or retire codes.