opensafely-core/opencodelists

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OpenCodelists is an open platform for creating and sharing codelists of clinical terms and drugs.

Stars: 60
Forks: 16
Open beginner issues: 1
Indexed issues: 210
Avg merge: 4d 12h
Merged PRs (30d): 17

Dominant language: Python
License: No license data
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

210 open issues indexed

Add pre-commit hook for email addresses Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

opensafely-core/opencodelists#3237 · Opened Sep 14, 2026
Reduce spam user sign-ups Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

opensafely-core/opencodelists#3230 · Opened Sep 10, 2026
Enhancement: View/search other organisation in OpenCodelist Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

opensafely-core/opencodelists#3222 · Opened Sep 1, 2026
Investigate functional test warnings Open

testing

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensafely-core/opencodelists#3216 · Opened Aug 28, 2026
UI state not updated after orphan code removal in `update_code_statuses` action Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

opensafely-core/opencodelists#3215 · 1 comment · Opened Aug 27, 2026
Allow downloads of ICD-10 codelists with HES-specific "X" padding Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

opensafely-core/opencodelists#3201 · 2 comments · Opened Aug 10, 2026
Enable newly enabled Ruff v0.16 rules that we currently ignore Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

opensafely-core/opencodelists#3192 · 2 comments · Opened Aug 5, 2026
AssertionError on accessing invalid codelist Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

opensafely-core/opencodelists#3185 · Opened Aug 4, 2026
Return a 404 when a `dmd-download.csv` request is made for a non-BNF codelist Open

bug observation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensafely-core/opencodelists#3183 · 1 comment · Opened Aug 3, 2026
Update OpenSAFELY-owned ICD-10 codelists post ICD-10 fixes Open

opensafely-core/opencodelists#3175 · 1 comment · 1 assignee · Opened Jul 27, 2026
Improve the BNF data fetching/import process Open

coding system releases

opensafely-core/opencodelists#3168 · 1 assignee · Opened Jul 23, 2026
Enhancement request: Add code type to the codelist builder search Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensafely-core/opencodelists#3166 · Opened Jul 23, 2026
Update Primary Care Domain reference sets (63.0.0) Open

coding system releases pcd-refsets

Difficulty 4/5 3-5 days Newbie friendliness 55/100

opensafely-core/opencodelists#3165 · Opened Jul 22, 2026
Show dates and times in the users timezone Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opensafely-core/opencodelists#3140 · 1 comment · Opened Jul 10, 2026
Use `uv run` in local development and Docker Open

deck-scrubbing dx

Difficulty 4/5 3-5 days Newbie friendliness 68/100

opensafely-core/opencodelists#3088 · 1 comment · Opened May 28, 2026
Enhance sorting organisation codelists Open

enhancement ui

opensafely-core/opencodelists#3058 · 1 assignee · Opened May 12, 2026
Bug report: Many Cached hierarchies often do not reflect the current CodelistVersion state Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opensafely-core/opencodelists#3038 · Opened Apr 21, 2026
Enhancement request: Enable editing of dm+d codelists in the builder after they've been converted from BNF Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

opensafely-core/opencodelists#3031 · 4 comments · Opened Apr 16, 2026
Enhancement request: Consider improvements to hierarchy caching Open

deck-scrubbing enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opensafely-core/opencodelists#3030 · Opened Apr 16, 2026
Enhancement request: Reduce friction accessing code usage data when building codelists Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensafely-core/opencodelists#3028 · 4 comments · Opened Apr 9, 2026
Enhancement request: Understanding where codelists are used across repos Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensafely-core/opencodelists#3020 · 1 comment · Opened Apr 9, 2026
`CodelistVersion._calculate_new_style_hierarchy` logic differs from that used in `_check_version_by_hierarchy` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensafely-core/opencodelists#2995 · Opened Mar 13, 2026
Enhancement request: Improve sorting in a user's list of codelists Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensafely-core/opencodelists#2985 · Opened Feb 24, 2026
Enhancement request: Allow "Under Review" codelists to be cloned Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

opensafely-core/opencodelists#2979 · 5 comments · Opened Feb 17, 2026
Bug report: Cloning large codelists fails Open

bug deck-scrubbing

Difficulty 4/5 3-5 days Newbie friendliness 52/100

opensafely-core/opencodelists#2969 · 2 comments · Opened Feb 5, 2026
Enhancement request: Retire OpenCodelist videos - for discussion Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opensafely-core/opencodelists#2955 · Opened Jan 21, 2026
Document all manual and automated import processes Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensafely-core/opencodelists#2949 · Opened Jan 8, 2026
Markdown not supported in codelist descriptions Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

opensafely-core/opencodelists#2947 · 2 comments · Opened Jan 5, 2026
Bug report: issue with BNF to DM+D mappings or conversion Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensafely-core/opencodelists#2921 · 4 comments · Opened Dec 3, 2025
Sort BNF hierarchy by code not term Open

enhancement tech-support

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

opensafely-core/opencodelists#2914 · Opened Nov 27, 2025
Bug report: `update_codelist_version_compatibility`'s comparison of Hierarchies is erroneously order-sensitive Open

bug deck-scrubbing

opensafely-core/opencodelists#2909 · 2 comments · 1 assignee · Opened Nov 25, 2025
Improve discoverability of suggested external tools and explain when they are useful Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 50/100

opensafely-core/opencodelists#2905 · Opened Nov 20, 2025
Server error when converting a BNF codelists in some situations Open

bug coding system releases

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

opensafely-core/opencodelists#2886 · 1 comment · Opened Nov 4, 2025
NHS Refset upload tidy up Open

coding system releases deck-scrubbing pcd-refsets

Difficulty 4/5 3-5 days Newbie friendliness 38/100

opensafely-core/opencodelists#2874 · Opened Oct 24, 2025
Rename `API_TOKEN` to something more specific Open

deck-scrubbing

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

opensafely-core/opencodelists#2869 · Opened Oct 22, 2025
Enhancement request: Add author to all codelist versions Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

opensafely-core/opencodelists#2866 · Opened Oct 20, 2025
Enhancement request: Enhance codelist search to show recency Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

opensafely-core/opencodelists#2864 · Opened Oct 16, 2025
Enhancement request: add warning for older dm+d codelists Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensafely-core/opencodelists#2861 · 1 comment · Opened Oct 15, 2025
`UnicodeDecodeError` when reading csv file Open

bug csv deck-scrubbing

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

opensafely-core/opencodelists#2859 · 3 comments · Opened Oct 14, 2025
Update PRIMIS COVID19 vaccination codes Open

coding system releases deck-scrubbing

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensafely-core/opencodelists#2834 · 1 comment · Opened Sep 10, 2025
CSV download unavailable for a previously downloadable ICD-10 codelist Open

bug csv

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensafely-core/opencodelists#2812 · 5 comments · Opened Aug 20, 2025
Make behaviour less surprising for CSVs that fail to upload via "Create a codelist" form Open

csv

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensafely-core/opencodelists#2801 · Opened Aug 12, 2025
Make errors more visible for CSV upload on the "create a codelist" form Open

csv

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

opensafely-core/opencodelists#2800 · Opened Aug 12, 2025
Improve the metadata page Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensafely-core/opencodelists#2763 · Opened Jul 24, 2025
Improve the capture of high quality metadata Open

deck-scrubbing

opensafely-core/opencodelists#2741 · 1 assignee · Opened Jul 18, 2025
Provide some way for users to select the column containing the clinical codes. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

opensafely-core/opencodelists#2694 · Opened Jul 1, 2025
Builder fails to load for large numbers of concepts Open

opensafely-core/opencodelists#2686 · 4 comments · 1 assignee · Opened Jun 30, 2025
Enforce that screenshots are created with Playwright Open

deck-scrubbing

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opensafely-core/opencodelists#2680 · Opened Jun 27, 2025
Automate and schedule NHS PCD and Medications Refset updates Open

coding system releases pcd-refsets

Difficulty 5/5 Over a week Newbie friendliness 30/100

opensafely-core/opencodelists#2671 · Opened Jun 25, 2025
Make the selection of codes in `test_build_codelist.py` unambiguous Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensafely-core/opencodelists#2666 · Opened Jun 25, 2025

opensafely-core/opencodelists

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